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"Los intocables" (1959) > Episodes cast
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"Los intocables" (1959) Más contenido en IMDb.com »
Temporada:
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2
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Año:
1959
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1960
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1961
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1962
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1963
Temporada 1
Temporada 1, Episodio 1: The Empty Chair
15 octubre 1959 | Robert Stack | ... | Eliot Ness |
 | Barbara Nichols | ... | Brandy La France / Barbara Ritchie |
| Bruce Gordon | ... | Frank Nitti |
 | Nehemiah Persoff | ... | Jake Guzik |
| Richard Benedict | ... | 'Fur' Sammons |
| Wally Cassell | ... | Phil D'Andrea |
| Abel Fernandez | ... | Agent William Youngfellow |
| Betty Garde | ... | Norma Guzik |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
 | Allen Jaffe | ... | Nitti Henchman in Office (sin confirmar) |
| Peter Mamakos | ... | Gus Raddi |
 | Jerry Paris | ... | Agent Martin Flaherty |
| Herman Rudin | ... | Tony 'Mops' Volpe |
| Hugh Sanders | ... | Investigating Officer in Barber Shop (sin confirmar) |
| Frank Wilcox | ... | Beecher Asbury |
| Harry Wilson | ... | Nitti Henchman in Office (sin confirmar) |
| Walter Winchell | ... | Narrador (voz) |
| Norman Alden | ... | Gunman in Barber Shop who gets throat cut. (sin acreditar) |
| Neville Brand | ... | Al Capone (sin acreditar) |
 | Chuck Hicks | ... | LaMarr Kane (sin acreditar) |
 | Steve London | ... | Agent Jack Rossman (sin acreditar) |
Temporada 1, Episodio 2: Ma Barker and Her Boys
22 octubre 1959 | Robert Stack | ... | Eliot Ness |
 | Claire Trevor | ... | Kate Clark 'Ma' Barker |
| Peter Baldwin | ... | Arthur 'Doc' Barker |
| Joe Di Reda | ... | Fred Barker |
| Abel Fernandez | ... | Agent William Youngfellow |
| Louise Fletcher | ... | Eloise |
| Robert Ivers | ... | Herman Barker |
| Jerry Paris | ... | Agent Martin Flaherty |
| Vaughn Taylor | ... | George 'Pa' Barker |
| Adam Williams | ... | Lloyd Barker |
| Walter Winchell | ... | Narrador (voz) |
Temporada 1, Episodio 3: The Jake Lingle Killing
29 octubre 1959 | Robert Stack | ... | Eliot Ness |
| Charles McGraw | ... | Barney 'Bugs' Birch |
 | Jack Lord | ... | Bill Hagen |
| John Beradino | ... | Angie Viale |
| Steve Gravers | ... | Birch Henchman (sin confirmar) |
| Chuck Hicks | ... | LaMarr Kane |
| Steve London | ... | Agent Jack Rossman |
| Jerry Paris | ... | Agent Martin Flaherty |
| Phillip Pine | ... | Jack Zuta |
| Charles Tannen | ... | Reporter on Telephone (sin confirmar) |
| Herb Vigran | ... | Jake Lingle |
| Frank Wilcox | ... | Beecher Asbury |
| Harry Wilson | ... | Jazzbox Patron (sin confirmar) |
| Walter Winchell | ... | Narrador (voz) |
 | H.M. Wynant | ... | Joe Aiello |
| James Lanphier | ... | Leo Brothers (sin acreditar) |
Temporada 1, Episodio 4: The George 'Bugs' Moran Story
5 noviembre 1959 | Robert Stack | ... | Eliot Ness |
| Lloyd Nolan | ... | George 'Bugs' Moran |
 | Jack Warden | ... | Lawrence Halloran |
| Peter Baldwin | ... | Tom Patterson |
| Kem Dibbs | ... | George 'Blackie' Anderson |
| Abel Fernandez | ... | Agent William Youngfellow |
| Bob Hastings | ... | Frank Patterson |
| Chuck Hicks | ... | LaMarr Kane |
| Steve London | ... | Agent Jack Rossman |
| Miriam Nelson | ... | Grace Halloran |
| Jerry Paris | ... | Agent Martin Flaherty |
| Harry Shannon | ... | Joe Patterson |
| Barbara Stuart | ... | Thelma Devores |
| Robin Warga | ... | Larry Halloran Jr. |
 | Fredd Wayne | ... | Joe Carroll |
| Walter Winchell | ... | Narrador (voz) |
| Nicholas Georgiade | ... | Agent Enrico Rossi (sin acreditar) |
| Jack Kruschen | ... | Union Vice-President (sin acreditar) |
| George Lynn | ... | Farmhouse Mug (sin acreditar) |
Temporada 1, Episodio 5: Ain't We Got Fun
12 noviembre 1959 | Robert Stack | ... | Eliot Ness |
| Joseph Buloff | ... | Benny Hoff |
| Cameron Mitchell | ... | Johnny Paycheck |
| Harry Bartell | ... | Schlessinger |
| Phyllis Coates | ... | Renee Sullivan |
| Ted de Corsia | ... | Big Jim Harrington |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Chuck Hicks | ... | LaMarr Kane |
| Steve London | ... | Agent Jack Rossman |
| Jerry Paris | ... | Agent Martin Flaherty |
| Walter Winchell | ... | Narrador (voz) |
 | Timothy Carey | ... | Loxie (sin acreditar) |
Temporada 1, Episodio 6: Vincent 'Mad Dog' Coll
19 noviembre 1959 | Robert Stack | ... | Eliot Ness |
 | Clu Gulager | ... | Vincent 'Mad Dog' Coll |
| Lawrence Dobkin | ... | Arthur Flegenheimer Jr. / Dutch Schultz |
| Ronald Anton | ... | Tommy Clover (como Ronnie Anton) |
| Richard Carlyle | ... | Lefty Gallagher |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Bern Hoffman | ... | Fats Finney |
| Richard Karlan | ... | Needles Bledsoe |
| Dick Miller | ... | Benny Bristow |
| Jerry Paris | ... | Agent Martin Flaherty |
| Scott Peters | ... | Schultz Henchman (sin confirmar) |
| Suzanne Storrs | ... | Diana Carten |
| Walter Winchell | ... | Narrador (voz) |
| Tyler McVey | ... | Police Chief A.M. Beaufort (sin acreditar) |
Temporada 1, Episodio 7: Mexican Stake-Out
26 noviembre 1959 | Robert Stack | ... | Eliot Ness |
 | Martin Landau | ... | Jerry Fanning |
| Vince Edwards | ... | Nick Delgado |
| George Cisar | ... | Imbry's Hallway Guard (sin confirmar) |
| Roy Engel | ... | Whelan |
| Abel Fernandez | ... | Agent William Youngfellow |
| Byron Foulger | ... | Julius Imbry |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Rodolfo Hoyos Jr. | ... | Achilles 'Charlie' Guzman (como Rodolfo Hoyos) |
| Steve London | ... | Agent Jack Rossman |
 | Barbara Luna | ... | Lucita |
| Ken Lynch | ... | Theodore 'Ted' Newberry |
| Alex Montoya | ... | Maximiliano 'Max' Charcas |
| Richard Norris | ... | Dottweiler |
| Jerry Paris | ... | Agent Martin Flaherty |
| Frank Wilcox | ... | Beecher Asbury |
| Walter Winchell | ... | Narrador (voz) |
| Kenner G. Kemp | ... | Policeman at Hearing (sin acreditar) |
| Bud Osborne | ... | Commissioner (sin acreditar) |
| Stafford Repp | ... | Mr. LaMarr (sin acreditar) |
| Joseph Ruskin | ... | Fred Metcalf (sin acreditar) |
Temporada 1, Episodio 8: The Artichoke King
3 diciembre 1959 | Robert Stack | ... | Eliot Ness |
| Jack Weston | ... | Ciro Terranova |
 | Al Ruscio | ... | Frankie Yale |
| Robert Ellenstein | ... | Felix Burke |
 | Argentina Brunetti | ... | Sophia Cestari |
| Lane Chandler | ... | Kingan |
| Selette Cole | ... | Mrs. Stearns |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Eugene Iglesias | ... | Tony Cestari |
| Mike Mazurki | ... | Frankie Marlowe |
| Jerry Paris | ... | Agent Martin Flaherty |
| Walter Winchell | ... | Narrador (voz) |
| Meg Wyllie | ... | Mrs. Terranova |
| Steve London | ... | Agent Jack Rossman (sin acreditar) (sin confirmar) |
Temporada 1, Episodio 9: The Tri-State Gang
10 diciembre 1959 | Robert Stack | ... | Eliot Ness |
| Alan Hale Jr. | ... | 'Big' Bill Phillips (como Alan Hale) |
| Florence Halop | ... | Flora Weinberg |
| William Bendix | ... | Wally Legenza |
| Stanley Adams | ... | Willie Weinberg |
| Jay Adler | ... | Georgie Kaufman |
| Roxane Berard | ... | Elizabeth 'Lizzie' Dauphine |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Chuck Hicks | ... | LaMarr Kane |
| Steve London | ... | Agent Jack Rossman |
 | Gavin MacLeod | ... | Artie McLeod |
| Peggy Maley | ... | Amy Randall |
| Joseph Mell | ... | Sidney Weinberg |
| Jerry Paris | ... | Agent Martin Flaherty |
| John Ward | ... | Bobby Mais |
| Walter Winchell | ... | Narrador (voz) |
| William Fawcett | ... | Oficial de Policía (sin acreditar) |
| George Lynn | ... | Doctor (sin acreditar) |
| Dick Wilson | ... | Sheriff Wilson (sin acreditar) |
Temporada 1, Episodio 10: The Dutch Schultz Story
17 diciembre 1959 | Robert Stack | ... | Eliot Ness |
| Lawrence Dobkin | ... | Arthur Flegenheimer Jr. / Dutch Schultz |
| Robert Carricart | ... | Charles 'Lucky' Luciano |
| Abel Fernandez | ... | Agent William Youngfellow |
| Margaret Field | ... | Marsha Harper (como Maggie Mahoney) |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Mort Mills | ... | Lulu Rosenkrantz |
| Jerry Paris | ... | Agent Martin Flaherty |
 | Marion Ross | ... | Vera Schultz |
| Johnny Seven | ... | Canello |
| David White | ... | W.S. Andrews |
| Walter Winchell | ... | Narrador (voz) |
| Frank Gerstle | ... | Schultz Man (sin acreditar) |
| Leonard Mudie | ... | Juez (sin acreditar) |
| Frank Puglia | ... | Joe Flores (sin acreditar) |
| Amanda Randolph | ... | Numbers Racket Woman (sin acreditar) |
| Richard Reeves | ... | Abe Landau (sin acreditar) |
Temporada 1, Episodio 11: You Can't Pick the Number
24 diciembre 1959 | Robert Stack | ... | Eliot Ness |
| Jay C. Flippen | ... | Al Morrisey |
| Darryl Hickman | ... | Phil Morrisey |
| Whit Bissell | ... | Pat Danning |
| King Calder | ... | Mr. Sampson |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Chuck Hicks | ... | LaMarr Kane |
| Steve London | ... | Agent Jack Rossman |
| Jerry Paris | ... | Agent Martin Flaherty |
| Christine White | ... | Evelyn - Phil's girl |
| Walter Winchell | ... | Narrador (voz) |
| Betty Lou Gerson | ... | Alma Pollock (sin acreditar) |
| Doreen Lang | ... | Mrs. Morrisey (sin acreditar) |
| Barry Russo | ... | Frank (sin acreditar) |
| Johnny Silver | ... | Gangster (sin acreditar) |
| Harry Tyler | ... | Pete Wasson (sin acreditar) |
Temporada 1, Episodio 12: The Underground Railway
31 diciembre 1959 | Robert Stack | ... | Eliot Ness |
| Virginia Vincent | ... | Mona Valentine |
| Joe De Santis | ... | Daniel Oates |
 | Cliff Robertson | ... | Frank Halloway |
| Frank Ferguson | ... | Dr. James Crenshaw |
| Steve London | ... | Agent Jack Rossman |
 | David McMahon | ... | Police Captain (sin confirmar) |
| Jerry Paris | ... | Agent Martin Flaherty |
| Ernest Sarracino | ... | Tomaso Fellini |
| Walter Winchell | ... | Narrador (voz) |
| Linda Wong | ... | Tuki |
| John Harmon | ... | Ed Johnson (sin acreditar) |
| Bob Hopkins | ... | Charley Brant (sin acreditar) |
| Maudie Prickett | ... | Telephone Supervisor (sin acreditar) |
Temporada 1, Episodio 13: Syndicate Sanctuary
7 enero 1960 | Robert Stack | ... | Eliot Ness |
| Anthony Caruso | ... | Guido Morelli |
| Robert F. Simon | ... | Police Chief Towers |
| Gail Kobe | ... | Rosetta Zabo |
| Lewis Charles | ... | Joe Donato |
| Lois De Banzie | ... | Linda Turning |
| Douglass Dumbrille | ... | Judge Ben Harlow |
 | Jack Elam | ... | Nick Bravo |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Raymond Greenleaf | ... | Judge Leon Zabo |
| Steve London | ... | Agent Jack Rossman |
| Jerry Paris | ... | Agent Martin Flaherty |
| Walter Winchell | ... | Narrador (voz) |
| Frank Wolff | ... | Tony Rio |
| George Cisar | ... | Desk Sergeant (sin acreditar) |
| Clark Howat | ... | Mason (sin acreditar) |
| Mike Lane | ... | James Stenbeck (sin acreditar) |
| Johnny Silver | ... | Gangster (sin acreditar) |
Temporada 1, Episodio 14: The Noise of Death
14 enero 1960 | Robert Stack | ... | Eliot Ness |
| J. Carrol Naish | ... | Joseph H. 'Joe' Bucco (como J. Carroll Naish) |
| Henry Silva | ... | Little Charlie Sebastino |
| Norma Crane | ... | Barbara Vittorini |
| Robert Ellenstein | ... | Mr. Kalinak |
| Abel Fernandez | ... | Agent William Youngfellow |
| Mike Kellin | ... | Abe Garfinkel |
| Joi Lansing | ... | Georgina Jones |
| Rita Lynn | ... | Anna Bucco |
| Jerry Paris | ... | Agent Martin Flaherty |
| Walter Winchell | ... | Narrador (voz) |
| Cyril Delevanti | ... | Men's Room Attendant (sin acreditar) |
 | Harry Dean Stanton | ... | Newspaper Seller (sin acreditar) |
Temporada 1, Episodio 15: Star Witness
21 enero 1960 | Robert Stack | ... | Eliot Ness |
| Marc Lawrence | ... | Luigi Renaldo |
| Jim Backus | ... | William Norbert |
| Sal Armetta | ... | Tommy Fiducci |
| Bart Burns | ... | Floyd Wheaton |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Allen Jaffe | ... | Albert Cicciano (sin confirmar) |
| William Justine | ... | Ralph McNiel |
| Steve London | ... | Agent Jack Rossman |
| Dorothy Morris | ... | Mildred Norbert |
| Jerry Paris | ... | Agent Martin Flaherty |
 | Tom Reese | ... | Georgie Summers |
| Bing Russell | ... | Deputy Martinson (sin confirmar) |
| Jay Warren | ... | Paolo Rienzi (como Jay Warrenn) |
| Walter Winchell | ... | Narrador (voz) |
| Antony Carbone | ... | Mr. Forenzi (sin acreditar) |
Temporada 1, Episodio 16: The St. Louis Story
28 enero 1960 | Robert Stack | ... | Eliot Ness |
| Leo Gordon | ... | Whitey |
| David Brian | ... | Dink Conway |
| Richard Bakalyan | ... | Joe Courtney |
| Lillian Bronson | ... | Mrs. Lindsey |
| Charles Cane | ... | Police Lt. Mike O'Farrell (sin confirmar) |
| Rita Duncan | ... | Rita Rosso, misspelled Rocco in closing credits |
| Bernard Fein | ... | Tim Hogan |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Percy Helton | ... | Mr. Meyer |
| Danny Meehan | ... | Eddie Runge, misspelled Runkel in closing credits |
| George N. Neise | ... | William Neuhauser (como George Neise) |
| Jerry Paris | ... | Agent Martin Flaherty |
| Gil Perkins | ... | Louis Hoffner (sin confirmar) |
| Frank Wilcox | ... | Beecher Asbury |
| Walter Winchell | ... | Narrador (voz) |
| Milton Parsons | ... | Hotel Clerk (sin acreditar) |
Temporada 1, Episodio 17: One-Armed Bandits
4 febrero 1960 | Robert Stack | ... | Eliot Ness |
| Larry Gates | ... | Julian Glass |
| John Beradino | ... | Augie Viale (como John Beradino) |
| Harry Guardino | ... | Frank Odine |
| Wolfe Barzell | ... | Jake Brodowski |
| Kenneth Becker | ... | Al Barberry (como Ken Becker) |
| Theona Bryant | ... | Enfermera (como Theora Bryant) |
| Paul Comi | ... | George Colleoni |
| Abel Fernandez | ... | Agent William Youngfellow |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Theodore Marcuse | ... | Paul Curtiz |
| Penny Santon | ... | Emily Brodowski |
| Walter Winchell | ... | Narrador (voz) |
| Kenner G. Kemp | ... | Police Commissioner at Party (sin acreditar) |
Temporada 1, Episodio 18: Little Egypt
11 febrero 1960 | Robert Stack | ... | Eliot Ness |
| Susan Cummings | ... | Hazel Stanley |
| Anthony George | ... | Agent Cam Allison |
| Fred Clark | ... | Major Charlie Byron |
| Norman Alden | ... | Barry Carlton (como Norm Alden) |
| Frank Bella | ... | Ray Williams |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Sam Gilman | ... | Deputy Parker |
| Miriam Goldina | ... | Mrs. Lazlo |
| Steve London | ... | Agent Jack Rossman |
| John Marley | ... | Ed Carlton |
| James McCallion | ... | Shorty Checkers |
| Bartlett Robinson | ... | Mayor Marcus Stone |
| Walter Winchell | ... | Narrador (voz) |
 | Majel Barrett | ... | Salonera (sin acreditar) |
| Dale Van Sickel | ... | Sheriff Munie (sin acreditar) |
Temporada 1, Episodio 19: The Big Squeeze
18 febrero 1960 | Robert Stack | ... | Eliot Ness |
| John Hoyt | ... | James Havens |
| Dodie Heath | ... | Chicky Purcell (como Dody Heath) |
| Dan O'Herlihy | ... | Larry 'Ace' Banner / Mr. Johnson |
| Stephen Coit | ... | Lynch |
| Abel Fernandez | ... | Agent William Youngfellow |
| William A. Forester | ... | Stu Mill |
| Anthony George | ... | Cam Allison (crédito unicamente a) |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Edmund Hashim | ... | Matty Church (como Ed Hashim) |
| Pitt Herbert | ... | Cashier |
| Steve London | ... | Agent Jack Rossman |
| Jimmy Mageean | ... | Jamie 'The Knife' Hennigan (como James Mageean) |
| Jeanne Vaughn | ... | Miss Downes |
| Frank Wilcox | ... | Beecher Asbury |
| Walter Winchell | ... | Narrador (voz) |
| Mickey Golden | ... | Salonero (sin acreditar) |
| Don C. Harvey | ... | Howard--Bank Guard (sin acreditar) |
| Kenneth MacDonald | ... | Senate Committee Member (sin acreditar) |
| Paul Maxey | ... | Grimes (sin acreditar) |
Temporada 1, Episodio 20: The Unhired Assassin: Part 1
25 febrero 1960 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Joe Mantell | ... | Giuseppe 'Joe' Zangara |
| Claude Akins | ... | Jake 'Dodo' Ryan |
| Robert Middleton | ... | Mayor Anton J. Cermak |
| Robert Anderson | ... | Miami police chief |
| Eleanor Audley | ... | Cross mrs. |
| Ted Berger | ... | Roley Sutton |
| Argentina Brunetti | ... | Mrs. Swoboda |
| John Daheim | ... | Tom A. Jansen (como John Day) |
| Frankie Darro | ... | News Vendor |
| Richard Deacon | ... | Bill Skidmore |
| Frank DeKova | ... | Louis 'Little New York' Campagne |
| Abel Fernandez | ... | Agent William Youngfellow |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Sam Gilman | ... | Kyle |
| Percy Helton | ... | Monaghan |
| Sterling Holloway | ... | Horace |
| Herbert Hoover | ... | Él Mismo (tomas de archivo) |
| Ray Kellogg | ... | Geller |
| Steve London | ... | Agent Jack Rossman |
| George N. Neise | ... | Ira Peterson (como George Neise) |
| Franklin Delano Roosevelt | ... | Él Mismo (tomas de archivo) |
| Barry Russo | ... | Milwaukee Minelli (como John Duke) |
| Sally Todd | ... | Sally Jansen |
| Lee Van Cleef | ... | Frank Diamond |
| Charles Watts | ... | Committee official |
| Dick Whittinghill | ... | Forrest |
| Walter Winchell | ... | Narrador (voz) |
Temporada 1, Episodio 21: The Unhired Assassin: Part 2
3 marzo 1960 | Robert Stack | ... | Eliot Ness |
| Joe Mantell | ... | Giuseppe 'Joe' Zangara |
| Robert Gist | ... | Fred 'Caddy' Croner |
| Bruce Gordon | ... | Frank Nitti |
| Robert Middleton | ... | Mayor Anton J. Cermak |
| Robert Anderson | ... | Miami Police Chief |
| Eleanor Audley | ... | Mrs. Cross |
| Frank DeKova | ... | Louis 'Little New York' Campagna |
| Abel Fernandez | ... | Agent William Youngfellow |
| Paul Frees | ... | Radio Voice / Public Address Voice / Franklin D. Roosevelt (voz) (sin confirmar) |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Sam Gilman | ... | Detective Barney Kyle |
| Percy Helton | ... | Jocko Monaghan |
| Sterling Holloway | ... | Horace De Vilbill |
| Ray Kellogg | ... | Geller |
| Steve London | ... | Agent Jack Rossman |
| Franklin Delano Roosevelt | ... | Él Mismo (tomas de archivo) |
| Lee Van Cleef | ... | Frank Diamond |
| Dick Whittinghill | ... | Earl Forrest |
| Walter Winchell | ... | Narrador (voz) |
| Addison Richards | ... | Mayor Roy B. Gautier (sin acreditar) |
| Charles Watts | ... | Convention Organizer (sin acreditar) |
Temporada 1, Episodio 22: The White Slavers
10 marzo 1960 | Robert Stack | ... | Eliot Ness |
| Dick York | ... | Ernie Torrance |
| Mike Kellin | ... | Mig Torrance |
| Nita Talbot | ... | Alice |
| Betty Field | ... | Mrs. Buchanan |
| James Anderson | ... | Nicky Flanagan |
| Theona Bryant | ... | Lucille |
| Abel Fernandez | ... | Agent William Youngfellow |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Robert Gibbons | ... | Olson |
| Mona Knox | ... | Edna |
| Paul Langton | ... | Bob Wheaton |
| Frank London | ... | Ned 'Goldie' Gold |
| Steve London | ... | Agent Jack Rossman |
| Jeremy Slate | ... | Red Foran |
| Natividad Vacío | ... | Gas Station Attendant |
| Sarita Vara | ... | Ellena |
| Walter Winchell | ... | Narrador (voz) |
| Ray Walker | ... | Mr. Kimmell (sin acreditar) |
Temporada 1, Episodio 23: Three Thousand Suspects
24 marzo 1960 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Mary Sinclair | ... | Mrs. Tom Sebring |
| Bert Freed | ... | Gus Caserta |
 | Leslie Nielsen | ... | Tom Sebring |
| Walter Winchell | ... | Narrador (voz) |
| Francis De Sales | ... | Capt. Troy |
| Abel Fernandez | ... | Agent William Youngfellow |
| James Flavin | ... | Warden G. N. Rinehardt |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Ned Glass | ... | Ed Keiffer |
| Peter Leeds | ... | Nick Segal |
| Dan Seymour | ... | Sam Argus |
| Howard Storm | ... | Phil Thorne (como Howie Storm) |
Temporada 1, Episodio 24: The Doreen Maney Story
31 marzo 1960 | Robert Stack | ... | Eliot Ness |
| Christopher Dark | ... | Sheik Humphries |
| Connie Hines | ... | Maybelle Maney |
 | Anne Francis | ... | Doreen Maney |
| Walter Winchell | ... | Narrador (voz) |
| Lovyss Bradley | ... | Matron |
| Abel Fernandez | ... | Agent William Youngfellow |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Jim Hayward | ... | Comisario |
| Steve London | ... | Agent Jack Rossman |
| George Mitchell | ... | Mr. Maney |
| Richard Rust | ... | Len Carson |
| Robert Stevenson | ... | Jake Logan (como Robert J. Stevenson) |
Temporada 1, Episodio 25: Portrait of a Thief
7 abril 1960 | Robert Stack | ... | Eliot Ness |
| Henry Jones | ... | Brooks Wells aka Demos Brittano |
| Charles McGraw | ... | Johnny Torrio |
| Edward Andrews | ... | E. Carlton Duncan aka Aristide Brittano |
| Walter Winchell | ... | Narrador (voz) |
| Raymond Bailey | ... | John Carvell |
| Alan Dexter | ... | Vince Farrell |
| Abel Fernandez | ... | Agent William Youngfellow |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Harry Landers | ... | Phil Martin |
| Steve London | ... | Agent Jack Rossman |
| J. Pat O'Malley | ... | Deputy Warden Charles Carroll |
| Ray Walker | ... | Bartender (sin confirmar) |
| Harlan Warde | ... | Oficial de Policía |
| Frank Wilcox | ... | Beecher Asbury |
| Henry Beckman | ... | Max the Waiter (sin acreditar) |
Temporada 1, Episodio 26: The Underworld Bank
14 abril 1960 | Robert Stack | ... | Eliot Ness |
| Virginia Vincent | ... | Louise O'Hara |
 | Peter Falk | ... | Duke Mullen |
| Thomas Mitchell | ... | Milo Sullivan |
| Walter Winchell | ... | Narrador (voz) |
 | Val Avery | ... | Johnny the Enforcer |
| Raymond Bailey | ... | John Carvell |
| Vincent Barbi | ... | Big Augie Epstein (como Vince Barbi) |
| Leonard Bremen | ... | Police Sergeant (como Lennie Bremen) |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Frank Gerstle | ... | Police Captain |
| Bernard Kates | ... | Davie |
| Penny Santon | ... | Mrs. Zagano |
| Ernest Sarracino | ... | Tony Zagano |
| John Davis Chandler | ... | Compinche (sin acreditar) |
| Addison Richards | ... | Harold Hichman (sin acreditar) |
Temporada 1, Episodio 27: Head of Fire: Feet of Clay
21 abril 1960 | Robert Stack | ... | Eliot Ness |
| Nehemiah Persoff | ... | Johnny Fortunato |
| Madlyn Rhue | ... | Chickie Bernstein |
| Jack Warden | ... | Frank Barber |
| Walter Winchell | ... | Narrador (voz) |
| Norman Alden | ... | John Henry Whitmore (como Norm Alden) |
| George Chirello | ... | News Vendor |
| Virginia Christine | ... | Stella Barber |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Leo Gordon | ... | Pops Gantry |
| Patsy Kelly | ... | Slapsie Sadie |
| Lawrence Maldonado | ... | Fabiano |
| Adrienne Marden | ... | Nurse Vedkoff |
Temporada 1, Episodio 28: The Frank Nitti Story
28 abril 1960 | Robert Stack | ... | Eliot Ness |
 | Richard Anderson | ... | Sidney Rogers / Zoran Bresnovitch |
| Myron McCormick | ... | Ramsey Lennox |
| Dick Foran | ... | Jerry Dockstone |
| Bruce Gordon | ... | Frank Nitti |
| Walter Winchell | ... | Narrador (voz) |
| Frank Albertson | ... | Jason MacIntyre |
| Phyllis Coates | ... | Ellie Morley |
| Frank DeKova | ... | Louie Campagna (como Frank de Kova) |
| Abel Fernandez | ... | Agent William Youngfellow |
| Anthony George | ... | Agent Cam Allison |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Alex Gerry | ... | J. N. Miller |
| Harry Harvey | ... | Harold Coldman (como Harry Harvey Sr.) |
| Steve London | ... | Agent Jack Rossman |
| Frank Wilcox | ... | Beecher Asbury |
Temporada 2
Temporada 2, Episodio 1: The Rusty Heller Story
13 octubre 1960 | Robert Stack | ... | Eliot Ness |
 | Elizabeth Montgomery | ... | Rusty Heller |
 | Harold J. Stone | ... | Charles 'Pops' Felcher |
| David White | ... | Archie Grayson |
| Paul Picerni | ... | Agent Lee Hobson |
| Norman Fell | ... | Reiner |
| Betty Garde | ... | Alice |
| Linda Watkins | ... | Flora |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Steve London | ... | Agent Jack Rossman |
| Barry Russo | ... | Marty (como John Duke) |
| Allison Hayes | ... | Mrs. Charles 'Pops' Felcher |
| John Close | ... | Gordie |
 | Pete Candoli | ... | Spokesman |
| George DeNormand | ... | Assistant D.A. |
| Walter Winchell | ... | Narrador (voz) |
| Neville Brand | ... | Al Capone (sin acreditar) |
| John Hoyt | ... | Capone's Lawyer (sin acreditar) |
| Hope Summers | ... | Neighbor (sin acreditar) |
Temporada 2, Episodio 2: Jack 'Legs' Diamond
20 octubre 1960 | Robert Stack | ... | Eliot Ness |
| Steven Hill | ... | Jack 'Legs' Diamond |
| Norma Crane | ... | Alice Diamond |
| Suzanne Storrs | ... | Dawn Dolan |
| Walter Winchell | ... | Narrador (voz) |
| Oscar Beregi Jr. | ... | Oscar Benjamin (como Oscar Beregi) |
| Ted Berger | ... | Moxie Harris |
| Antony Carbone | ... | Dimitrious Spiros (como Tony Carbone) |
| Robert Carricart | ... | 'Lucky' Luciano |
| Lawrence Dobkin | ... | Dutch Schultz / Arthur Flegenheimer |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Lee Patrick | ... | Lelah Dolan |
| Paul Picerni | ... | Agent Lee Hobson |
| Peter Whitney | ... | 'Big' Bill Swinney |
| Raymond Bailey | ... | John Carvell (sin acreditar) |
 | Ryan O'Neal | ... | Bellhop (sin acreditar) |
 | Telly Savalas | ... | NYC Detective (sin acreditar) |
Temporada 2, Episodio 3: Nicky
30 noviembre 1960 | Robert Stack | ... | Eliot Ness |
| Michael Ansara | ... | Charlie Steuben |
| Joe De Santis | ... | Louis Latito |
| Phillip Pine | ... | Mike Marconi |
| Luther Adler | ... | Gus Marco |
| Walter Winchell | ... | Narrador (voz) |
 | Malcolm Atterbury | ... | Judge Simon Willard |
| Vincent Barbi | ... | Ike |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| George Greco | ... | Adamo |
| Ronnie Haran | ... | Tessie |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Mario Roccuzzo | ... | Nicky Bousso |
| Renata Vanni | ... | Carmela |
| A.G. Vitanza | ... | Mario Bousso |
| John Harmon | ... | Lab Tech (sin acreditar) |
Temporada 2, Episodio 4: The Waxey Gordon Story
10 noviembre 1960 | Robert Stack | ... | Eliot Ness |
| Frank DeKova | ... | Bugs Donovan (como Frank De Kova) |
| Nehemiah Persoff | ... | Waxey Gordon |
| Walter Winchell | ... | Narrador |
| Terry Becker | ... | Higgins (como Adam Becker) |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Terry Huntingdon | ... | Flo Ingalls |
| Lisabeth Hush | ... | Elaine Warren (como Lizabeth Hush) |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Walter Reed | ... | Orville Watson |
| Edgar Stehli | ... | Mr. Ainslee |
| Sam Gilman | ... | Charlie Sherman (sin acreditar) |
| Hank Patterson | ... | Charlie--Warehouse Manager (sin acreditar) |
| Gene Roth | ... | Louis (sin acreditar) |
| George Selk | ... | Stagehand (sin acreditar) |
Temporada 2, Episodio 5: The Mark of Cain
17 noviembre 1960 | Robert Stack | ... | Eliot Ness |
| Will Kuluva | ... | Frank Genna |
 | Conrad Janis | ... | Sticks |
| Eduardo Ciannelli | ... | Joe Genna |
| Henry Silva | ... | 'Little' Charlie Sebastino |
| Walter Winchell | ... | Narrador (voz) |
| Wolfe Barzell | ... | Salvatore Sebastino |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman (sin confirmar) |
| Vic Perrin | ... | Robert Riordan |
| Paul Picerni | ... | Agent Lee Hobson |
| Gilman Rankin | ... | Rawlins |
| Paula Raymond | ... | Sylvia Genna |
| Carol Eve Rossen | ... | Carol (como Carol Rossen) |
| Joyce Taylor | ... | Cantante |
| Jason Wingreen | ... | Turner |
| K.L. Smith | ... | 'Puffy' Ocell (sin acreditar) |
Temporada 2, Episodio 6: A Seat on the Fence
24 noviembre 1960 | Robert Stack | ... | Eliot Ness |
| Joseph Anthony | ... | Victor Bardo |
| Gene Lyons | ... | Willie Asher |
| Frank Silvera | ... | Dino Patrone |
| John McIntire | ... | Loren Hall |
| Walter Winchell | ... | Narrador (voz) |
| John Anderson | ... | George McPhail |
| Val Avery | ... | Frank Salinas |
| Dan Barton | ... | Mickey |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
 | Len Lesser | ... | Gunther |
| Arlene Martel | ... | Carla Patrone (como Arlene Sax) |
| Paul Picerni | ... | Agent Lee Hobson |
| Olan Soule | ... | Dr. Amos Hallet |
| Cyril Delevanti | ... | News Vendor (sin acreditar) |
| Robert Griffin | ... | Doctor (sin acreditar) |
Temporada 2, Episodio 7: The Purple Gang
1 diciembre 1960 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
 | Werner Klemperer | ... | Jan Tornek |
| Ilka Windish | ... | Marta Tornek |
| Steve Cochran | ... | Eddie Fletcher |
| Walter Winchell | ... | Narrador (voz) |
| Rayford Barnes | ... | Edward Wiles |
| Abel Fernandez | ... | Agent William Youngfellow |
| James Flavin | ... | Rocky Garver |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steven Geray | ... | Eric Vajda |
| Arthur Kendall | ... | Machine Gun Machen |
| Paul Lambert | ... | Silkie Delong |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Dan Sheridan | ... | Martin Unger |
| Joe Turkel | ... | Loman |
| John Zaccaro | ... | Andrews |
| Harvey B. Dunn | ... | Apartment Superintendent (sin acreditar) |
| Carl Milletaire | ... | Nick Tomassi (sin acreditar) |
Temporada 2, Episodio 8: Kiss of Death Girl
8 diciembre 1960 | Robert Stack | ... | Eliot Ness |
| Mickey Shaughnessy | ... | Henny Combs |
| Robert H. Harris | ... | Phil Corbin |
| David J. Stewart | ... | Lou Scalese |
| Jan Sterling | ... | Francie McKay |
| Walter Winchell | ... | Narrador (voz) |
| John Conte | ... | Vito |
| Abel Fernandez | ... | Agent William Youngfellow |
| Joe Ferrante | ... | Beaker (como Joseph Ferrante) |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Wesley Lau | ... | Whitey Barrows |
| Celia Lovsky | ... | Mrs. Barrows, misspelled in credits as 'Borsatch' |
| Baruch Lumet | ... | Mr. Barrows, misspelled in credits as 'Borsatch' |
| Lester Miller | ... | Alex |
| Paul Picerni | ... | Agent Lee Hobson |
| Kenner G. Kemp | ... | Gambler (sin acreditar) |
Temporada 2, Episodio 9: The Larry Fay Story
15 diciembre 1960 | Robert Stack | ... | Eliot Ness |
| Sam Levene | ... | Larry Fay |
| Larry Gates | ... | Carl D. Arnold |
| Robert Emhardt | ... | Fred Stegler |
| June Havoc | ... | Sally Kansas |
| Walter Winchell | ... | Narrador (voz) |
| Jay Adler | ... | Sammy Archer |
| Tommy Cook | ... | Tommy Kansas |
| Francis De Sales | ... | D.A. Roger Hayden |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Allen Jaffe | ... | Frankie |
| Robert Karnes | ... | Wayne Owens |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Paul Bryar | ... | Police Capt. Reardon (sin acreditar) |
Temporada 2, Episodio 10: The Otto Frick Story
22 diciembre 1960 | Robert Stack | ... | Eliot Ness |
| Francis Lederer | ... | Walter Messlinger |
| Richard Jaeckel | ... | Hans Eberhardt |
| Jack Warden | ... | Otto Frick |
| Walter Winchell | ... | Narrador (voz) |
| Willis Bouchey | ... | Nathaniel Emmons |
| Abel Fernandez | ... | William Youngfellow |
| Nicholas Georgiade | ... | Enrico Rossi |
| Hermann Göring | ... | Él Mismo (tomas de archivo) |
| Stacy Harris | ... | Capt. Reardon |
| Adolf Hitler | ... | Él Mismo (tomas de archivo) |
| Steve London | ... | Jack Rossman |
| Joseph Mell | ... | Herschel Levitan |
| Fred Nurney | ... | Felix Boll |
| Erika Peters | ... | Hedda Messlinger |
| Paul Picerni | ... | Lee Hobson |
| Molly Roden | ... | Elaine Levitan |
 | John Wengraf | ... | Manning Loder |
| Gil Perkins | ... | Irwin Spector (sin acreditar) |
| Frank J. Scannell | ... | Carnival Barker (sin acreditar) |
Temporada 2, Episodio 11: The Tommy Karpeles Story
29 diciembre 1960 | Robert Stack | ... | Eliot Ness |
| Harold J. Stone | ... | 'Tough' Tommy Karpeles |
| Murray Hamilton | ... | George Varsey |
| Madlyn Rhue | ... | Sally Karpeles aka Sally Karr |
 | Joseph Wiseman | ... | Albert Maris / Arnie 'The Wolf' Mendoza |
| Walter Winchell | ... | Narrador (voz) |
| Gage Clarke | ... | Oscar Termin |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Joseph Julian | ... | Fritz Herrling |
| Steve London | ... | Agent Jack Rossman (sin confirmar) |
 | Vic Morrow | ... | Collier |
| William Newell | ... | Rawlins |
| Leo Penn | ... | Milton Tannenbaum |
| Paul Picerni | ... | Agent Lee Hobson |
| Herman Rudin | ... | Mace |
| Vladimir Sokoloff | ... | Stanley Tannenbaum |
| Robert Stevenson | ... | Phillip McAllen (sin acreditar) |
| Glenn Strange | ... | Prison Warden (sin acreditar) |
Temporada 2, Episodio 12: The Big Train: Part One
5 enero 1961 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Neville Brand | ... | Al Capone |
| Walter Winchell | ... | Narrador (voz) |
| Paul Bruce | ... | Levine |
| Richard Carlyle | ... | Everett Lafferty |
| Lewis Charles | ... | Joe Giambatista |
| Russ Conway | ... | Warden Hubbard |
| Abel Fernandez | ... | William Youngfellow |
| Nicholas Georgiade | ... | Enrico Rossi |
| Frank London | ... | Benny Marcus |
| Steve London | ... | Agent Jack Rossman |
| Gavin MacLeod | ... | Three-Fingered Jack White |
| Paul Picerni | ... | Agent Lee Hobson |
| Lalo Rios | ... | Tony Diaz |
| Robert F. Simon | ... | Attorney General Homer S. Cummings |
| Richard Bakalyan | ... | Prisionero (sin acreditar) |
| John L. Cason | ... | Left-handed gunman shooting Marcus (sin acreditar) |
| John Hoyt | ... | Capone Lawyer (sin acreditar) |
| Kenner G. Kemp | ... | Congressman Kerry (sin acreditar) |
| Ted Knight | ... | Congressman Oliver (sin acreditar) |
| George N. Neise | ... | Archie Devlon (sin acreditar) |
| Gregg Palmer | ... | Paul Di Marco (sin acreditar) |
| Keith Richards | ... | Committee chairman (sin acreditar) |
| Bartlett Robinson | ... | Federal Judge James H. Wilkerson (sin acreditar) |
| Russell Thorson | ... | Ferguson, Federal Agent (sin acreditar) |
| Frank Wilcox | ... | Beecher Asbury (sin acreditar) |
Temporada 2, Episodio 13: The Big Train: Part Two
12 enero 1961 | Robert Stack | ... | Eliot Ness |
| James Westerfield | ... | Eric Holvig |
| Neville Brand | ... | Al Capone |
| Walter Winchell | ... | Narrador (voz) |
| Paul Bruce | ... | Levine |
| Richard Carlyle | ... | Everett Lafferty |
| Lewis Charles | ... | Joe Giambatista |
| Russ Conway | ... | Warden Hubbard |
| Abel Fernandez | ... | William Youngfellow |
| Eddie Firestone | ... | Fred Noonan |
| Nicholas Georgiade | ... | Enrico Rossi |
| Bruce Gordon | ... | Frank Nitti (tomas de archivo) |
| Frank London | ... | Benny Marcus (tomas de archivo) |
| Steve London | ... | Jack Rossman |
| Gavin MacLeod | ... | Three-Fingered Jack White |
| George N. Neise | ... | Archie Devon (tomas de archivo) |
| Paul Picerni | ... | Lee Hobson |
| Lalo Rios | ... | Tony Diaz |
| William Schallert | ... | Edward Garth |
| William Challee | ... | Jed Ryan - Stationmaster (sin acreditar) |
| Woody Chambliss | ... | Burt - Telegrapher (sin acreditar) |
| Robert Foulk | ... | Comisario (sin acreditar) |
| Ron Hagerthy | ... | 'Handsome' Johnny Rollins (sin acreditar) |
 | Charles Lane | ... | Alcatraz Official (sin acreditar) |
| Ben Wright | ... | Seth Gordon aka Victor Green (sin acreditar) |
Temporada 2, Episodio 14: The Masterpiece
19 enero 1961 | Robert Stack | ... | Eliot Ness |
| Robert Middleton | ... | Mayer Wartel |
| George Voskovec | ... | Herman Kihn |
| Bruce Gordon | ... | Frank Nitti |
 | Rip Torn | ... | Harry Straus |
| Walter Winchell | ... | Narrador (voz) |
| Abel Fernandez | ... | William Youngfellow |
| Nicholas Georgiade | ... | Enrico Rossi |
| Alexander Lockwood | ... | Hinds |
| Paul Picerni | ... | Lee Hobson |
| Addison Richards | ... | William Adcock |
| Joseph Ruskin | ... | Happy Levinsky |
| Harry Shannon | ... | Michael Shaw |
| Jason Wingreen | ... | Capt. Dorset |
| David Bond | ... | Medic in ambulance (sin acreditar) |
| Jimmy Lydon | ... | Hotel Clerk (sin acreditar) |
Temporada 2, Episodio 15: The Organization
26 enero 1961 | Robert Stack | ... | Eliot Ness |
| Richard Conte | ... | Arnie Seeger |
| Susan Oliver | ... | Roxie aka Rose Plummer |
| Milton Selzer | ... | Maxie Schram |
| Oscar Beregi Jr. | ... | Pete Kulak (como Oscar Beregi) |
| Paul Picerni | ... | Agent Lee Hobson |
| Richard Karlan | ... | Danny Kurtz |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Thom Carney | ... | Dutch |
| Grant Richards | ... | Jerry Tomack |
| John Harmon | ... | Arno Schwager |
| Russ Bender | ... | George Cooper |
| Robert Beecher | ... | Boomer |
| Walter Winchell | ... | Narrador (voz) |
| Neville Brand | ... | Al Capone (tomas de archivo) |
| Paul Dubov | ... | Jack Rossman (tomas de archivo) |
| Bruce Gordon | ... | Frank Nitti (tomas de archivo) |
| Cyril Delevanti | ... | Flophouse Manager (sin acreditar) |
Temporada 2, Episodio 16: The Jamaica Ginger Story
2 febrero 1961 | Robert Stack | ... | Eliot Ness |
| Brian Keith | ... | Jim Martinson |
| Michael Ansara | ... | Rafael Torrez |
 | James Coburn | ... | Dennis Garrity |
| Alfred Ryder | ... | Jerry LaCava |
| Paul Picerni | ... | Agent Lee Hobson |
| June Dayton | ... | Louise Rainey |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Jean Inness | ... | Judith Foster |
| Harry Holcombe | ... | Police Capt. Roberts (como Harry Holcombe Jr.) |
| Clegg Hoyt | ... | Larry |
| Hank Patterson | ... | Wilkerson |
| Byron Morrow | ... | Police Capt. Williamson |
| Walter Winchell | ... | Narrador (voz) |
| Owen Cunningham | ... | Claude S. Winninger (sin confirmar) |
Temporada 2, Episodio 17: Augie 'The Banker' Ciamino
9 febrero 1961 | Robert Stack | ... | Eliot Ness |
| Will Kuluva | ... | Renzo Raineri |
| Lee Philips | ... | Paul Raineri |
| Sam Jaffe | ... | Luigi Valcone |
| Keenan Wynn | ... | Augie 'The Banker' Ciamino |
| Paul Picerni | ... | Agent Lee Hobson |
| Harry Dean Stanton | ... | Picolo (como Dean Stanton) |
| Rebecca Welles | ... | Rose Raineri |
| Bernard Kates | ... | Mr. Lee |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Bernard Fein | ... | Richie |
| Roscoe Ates | ... | Drunk |
| Andrea Darvi | ... | Theresa Raineri (como Andrea Margolis) |
| Jack Tesler | ... | Gio |
| Penny Santon | ... | Gio's Wife |
| Walter Winchell | ... | Narrador (voz) |
 | Scotty Morrow | ... | Tony Jr. (sin acreditar) |
| Charles Wagenheim | ... | (sin acreditar) |
Temporada 2, Episodio 18: The Underground Court
16 febrero 1961 | Robert Stack | ... | Eliot Ness |
| Richard Devon | ... | Valentine Ferrar |
| Frank DeKova | ... | Judge Foley |
| Joan Blondell | ... | Hannah 'Lucy' Wagnall |
| Walter Winchell | ... | Narrador (voz) |
 | Steve Conte | ... | First Hood |
| William Fawcett | ... | Cooley |
| Abel Fernandez | ... | Agent William Youngfellow |
| Eddie Firestone | ... | Ernie Berrigan |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Arthur Kendall | ... | Pedro Palmas |
| Steve London | ... | Agent Jack Rossman |
| Vic Perrin | ... | Inky Beggs |
| Paul Picerni | ... | Agent Lee Hobson |
| Barry Russo | ... | William 'Bo' Narrins (como John Duke) |
Temporada 2, Episodio 19: The Nick Moses Story
23 febrero 1961 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
 | Michael Constantine | ... | Gino Carabello |
| Joe De Santis | ... | Louis Latito |
| Harry Guardino | ... | Nick Moses |
| Walter Winchell | ... | Narrador (voz) |
| Richard Bakalyan | ... | Monk |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Jason Johnson | ... | Salonero |
| Peter Mamakos | ... | Sully |
| Riki Marcelli | ... | Tommy Carabello |
| Paul Picerni | ... | Agent Lee Hobson |
| Jack Reitzen | ... | Vinnie Orcell |
| Herman Rudin | ... | Rosie |
| Dan Seymour | ... | Jake Kurowski |
| Frank Wilcox | ... | Beecher Asbury |
| Robert Bice | ... | Police Capt. Hale Johnson (sin acreditar) |
Temporada 2, Episodio 20: The Antidote
9 marzo 1961 | Robert Stack | ... | Eliot Ness |
| Telly Savalas | ... | Wally Baltzer |
| Bruce Gordon | ... | Frank Nitti |
| Joseph Wiseman | ... | Russell Shield |
| Walter Winchell | ... | Narrador (voz) |
| Jeff Corey | ... | Max Frimmel |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Herbert Hoover | ... | Él Mismo (tomas de archivo) |
| John Mitchum | ... | Freddie |
| Byron Morrow | ... | Speaker |
| Paul Picerni | ... | Agent Lee Hobson |
| Gale Robbins | ... | Lorna Willis |
| Franklin Delano Roosevelt | ... | Él Mismo (tomas de archivo) |
| Lorna Thayer | ... | Landlady |
| Jason Wingreen | ... | Police Capt. Dorset |
| Ben Wright | ... | Jacques Villon |
Temporada 2, Episodio 21: The Lily Dallas Story
16 marzo 1961 | Robert Stack | ... | Eliot Ness |
| Norma Crane | ... | Lily Dallas |
| Linda Watkins | ... | Mrs. Murphy |
| Ed Nelson | ... | Marty Stoke |
| Larry Parks | ... | George 'Blackie' Dallas |
| Walter Winchell | ... | Narrador (voz) |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Dabbs Greer | ... | Thomas B. Randall |
| Steve London | ... | Agent Jack Rossman |
| Joe Lo Presti | ... | Pete Appleby |
| Gregg Martell | ... | Jiggs |
| Paul Picerni | ... | Agent Lee Hobson |
| Vicki Raaf | ... | Margie (como Vici Raaf) |
| Judy Strangis | ... | Arlene |
| June Vincent | ... | Mrs. Randall |
| Danielle De Metz | ... | Danielle (sin acreditar) |
| Barbara Parkins | ... | Chica (sin acreditar) |
Temporada 2, Episodio 22: Murder Under Glass
23 marzo 1961 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Carl Milletaire | ... | Pete Konitz |
| Dennis Patrick | ... | Gil Haller |
| Luther Adler | ... | Emile Bouchard |
| Walter Winchell | ... | Narrador (voz) |
| Paul Birch | ... | Police Lt. Willard |
| Craig Duncan | ... | Gordo |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Eugene Iglesias | ... | Mendez |
| Francis McDonald | ... | Sully MacGuyver (como Francis J. MacDonald) |
| Paul Picerni | ... | Lee Hobson |
| Richard Reeves | ... | Hugger Davis |
| Franklin Delano Roosevelt | ... | Él Mismo (tomas de archivo) |
| Evelyn Scott | ... | Mrs. Davis |
| James Thayne | ... | Monte |
| George Werier | ... | Hugo |
 | Norman Leavitt | ... | Customs Records Clerk (sin acreditar) |
| Joseph V. Perry | ... | Junkie (sin acreditar) |
Temporada 2, Episodio 23: Testimony of Evil
30 marzo 1961 | Robert Stack | ... | Eliot Ness |
| Fay Spain | ... | Julie Duvall |
| Jack Elam | ... | Stan Wilinski |
| John Marley | ... | Henry 'Hennie' Weiser |
| David Brian | ... | Brian O'Malley |
| Walter Winchell | ... | Narrador (voz) |
| Robert Brubaker | ... | Thomas Drexel |
| Robert Cornthwaite | ... | Mr. Wendell |
| Ross Elliott | ... | David Mantley |
| Abel Fernandez | ... | Agent William Youngfellow |
| Paul Genge | ... | Deputy Police Chief Artie Bryson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Paul Picerni | ... | Agent Lee Hobson |
| Johnny Seven | ... | George Davas |
| K.L. Smith | ... | Murphy |
| Tom Fadden | ... | Sweet Shop Man (sin acreditar) |
| Warren Parker | ... | Mr. Dunn (sin acreditar) |
| Michael Parks | ... | Tommy--Elevator Operator (sin acreditar) |
| William Tannen | ... | Policeman Richter (sin acreditar) |
| John Zaremba | ... | Federal Agent (sin acreditar) |
Temporada 2, Episodio 24: Ring of Terror
13 abril 1961 | Robert Stack | ... | Eliot Ness |
| Harold J. Stone | ... | Barney Jarreau |
| John Crawford | ... | Johnny Acropolis |
| Richard Karlan | ... | Rudy Krasna |
| Viveca Lindfors | ... | Mrs. Jarreau |
| Walter Winchell | ... | Narrador (voz) |
| Sheldon Allman | ... | Hymie Krugman |
| Walter Burke | ... | Herbie Snow |
 | Howard Caine | ... | Blinky Rodriguez |
| George Carver | ... | Joey McGrath |
| Russell Collins | ... | Mr. Peabody |
| John Daheim | ... | Rocky Pearson (como John Day) |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Vaughn Taylor | ... | Dr. William A. Voyt |
| Frank Wilcox | ... | Beecher Asbury |
| Bill Baldwin | ... | Radio announcer (sin acreditar) |
| S. John Launer | ... | Commissioner (sin acreditar) |
| Olan Soule | ... | Smitty (sin acreditar) |
Temporada 2, Episodio 25: Mr. Moon
20 abril 1961 | Robert Stack | ... | Eliot Ness |
| Victor Buono | ... | Melanthos Moon |
| Bruce Gordon | ... | Frank Nitti |
| Karl Swenson | ... | Hans Dreiser |
| Walter Winchell | ... | Narrador (voz) |
| Stewart Bradley | ... | Monk |
| Russ Conway | ... | Brookson |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Ellen Madison | ... | Millie Joplin |
| Byron Morrow | ... | S.S. Chief |
| Tommy Nello | ... | Paddy |
| Robert Osterloh | ... | Benny Joplin |
| Paul Picerni | ... | Agent Lee Hobson |
| Bill Baldwin | ... | Box Office Agent (sin acreditar) |
| Carleton Young | ... | Mr. Levell (sin acreditar) |
Temporada 2, Episodio 26: Death for Sale
27 abril 1961 | Robert Stack | ... | Eliot Ness |
| Ned Glass | ... | Art Rele |
| Carole Eastman | ... | Sondra Wiley |
 | James MacArthur | ... | Johnny Lubin |
| Walter Winchell | ... | Narrador (voz) |
| Abel Fernandez | ... | Agent William Youngfellow |
| Michael Fox | ... | Bradley |
| Mario Gallo | ... | Chester |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Bruce Gordon | ... | Frank Nitti (tomas de archivo) |
| Jon Lormer | ... | Clary |
| Paul Picerni | ... | Agent Lee Hobson |
| Lou Polan | ... | Phil Melnick aka George Dodd |
| Neil Rosso | ... | Ed Getty |
Temporada 2, Episodio 27: Stranglehold
4 mayo 1961 | Robert Stack | ... | Eliot Ness |
| Phillip Pine | ... | Lennie Shore |
| Kevin Hagen | ... | Swede Kelso |
 | Ricardo Montalban | ... | Frank Makouris |
| Walter Winchell | ... | Narrador (voz) |
| Trevor Bardette | ... | Capt. Joe McGonigle |
| Oscar Beregi Jr. | ... | Joe Kulak (como Oscar Beregi) |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Adrienne Marden | ... | Mrs. McGonigle |
| Burt Miller | ... | Henry Matson |
| Paul Picerni | ... | Agent Lee Hobson |
| Frank Puglia | ... | Carlo Feruzzi |
| Gene Roth | ... | Louis 'Lepke' Buchalter |
 | Robert J. Wilke | ... | Arthur Flegenheimer aka Dutch Schultz |
| Kam Tong | ... | Salonero (sin acreditar) |
Temporada 2, Episodio 28: The Nero Rankin Story
11 mayo 1961 | Robert Stack | ... | Eliot Ness |
| Will Kuluva | ... | Nero Rankin |
| John Dehner | ... | Huey Barker |
| Joanna Moore | ... | Althea |
| Walter Winchell | ... | Narrador (voz) |
| Brook Byron | ... | Madame Amy |
| Jean Carson | ... | Sylvia Orkins |
| Frank DeKova | ... | Judge Foley (tomas de archivo) |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Richard Karlan | ... | Maurie Brigger |
| Barry Kelley | ... | Pat Polofski |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Barry Russo | ... | Lefty Southern (como John Duke) |
| Murvyn Vye | ... | Lou Hyndorf |
| Bill Baldwin | ... | Radio Announcer (sin acreditar) |
| Wolfe Barzell | ... | Lefty's Uncle (sin acreditar) |
| Norman Leavitt | ... | Injured Bystander (sin acreditar) |
| Byron Morrow | ... | Hartley Lester (sin acreditar) |
| Dan Seymour | ... | Cy Brenner (sin acreditar) |
| Ernestine Wade | ... | Camarera (sin acreditar) |
Temporada 2, Episodio 29: The Seventh Vote
18 mayo 1961 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Joseph Ruskin | ... | Alexander Stavro |
| Nehemiah Persoff | ... | Jake 'Greasy Thumb' Guzik |
| Walter Winchell | ... | Narrador (voz) |
| Baynes Barron | ... | Muller |
| Howard Caine | ... | Edwin Ballin |
| Robert Cornthwaite | ... | Inspector Jim Goodrich |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Allen Jaffe | ... | Gregory |
| Steve London | ... | Agent Jack Rossman |
| George N. Neise | ... | Archie Devlin |
| Paul Picerni | ... | Agent Lee Hobson |
| Richard Reeves | ... | Levinsky |
| Neville Brand | ... | Al Capone (sin acreditar) |
| Howard Culver | ... | Joe (sin acreditar) |
| Charles Seel | ... | Baggage Car Clerk (sin acreditar) |
| Norman Willis | ... | Greco (sin acreditar) |
Temporada 2, Episodio 30: The King of Champagne
25 mayo 1961 | Robert Stack | ... | Eliot Ness |
| Robert Middleton | ... | Barney Loomis |
| Michael Constantine | ... | Edmund Wald |
| Barry Morse | ... | Michel Viton |
| Walter Winchell | ... | Narrador (voz) |
| Jack Anthony | ... | Louie Monk |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Jean Harvey | ... | Mrs. Loomis |
| George Kennedy | ... | Birdie |
| Paul Picerni | ... | Agent Lee Hobson |
| Grant Richards | ... | Harry Brooks |
| Jason Wingreen | ... | Police Capt. Dorset |
| Ben Wright | ... | John Wellin |
| John Cliff | ... | Warehouseman (sin acreditar) |
| Cyril Delevanti | ... | Museum Night Watchman (sin acreditar) |
Temporada 2, Episodio 31: The Nick Acropolis Story
1 junio 1961 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Constance Ford | ... | Stella Acropolis |
| Johnny Seven | ... | Frankie Fershman |
 | Lee Marvin | ... | Nick Acropolis |
| Walter Winchell | ... | Narrador (voz) |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Michael Granger | ... | Sully Hinds |
| Arthur Kendall | ... | Monk |
| Steve London | ... | Agent Jack Rossman |
| Carl Milletaire | ... | Pete Konitz |
| Paul Picerni | ... | Agent Lee Hobson |
| Leonard Stone | ... | Louis Manzak |
| C. Lindsay Workman | ... | Harry Krafton (como Lindsay Workman) |
| Robert Bice | ... | Police Capt. Hale Johnson (sin acreditar) |
| Owen Cunningham | ... | Men's Shop Manager (sin acreditar) |
Temporada 2, Episodio 32: 90-Proof Dame
8 junio 1961 | Robert Stack | ... | Eliot Ness |
| Joanna Barnes | ... | Marquise de Bouverais / Marcie McKuen |
| Steven Geray | ... | Etienne de Bouverais |
| Steve Cochran | ... | Nate Kester |
| Walter Winchell | ... | Narrador (voz) |
| Norman Burton | ... | Wally Dagan |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Gilbert Green | ... | Henry Bogar |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Harry Dean Stanton | ... | Moxie (como Dean Stanton) |
| Warren Stevens | ... | Alex Brosak |
Temporada 3
Temporada 3, Episodio 1: The Troubleshooter
12 octubre 1961 | Robert Stack | ... | Eliot Ness |
| Murray Hamilton | ... | Harry Danigan |
| Ned Glass | ... | Max Riegel |
| Vincent Gardenia | ... | Jake Petrie |
| Peter Falk | ... | Nate Selko |
| Walter Winchell | ... | Narrador (voz) |
| Michael Dana | ... | Al Deemers |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Barnaby Hale | ... | Ned Beemis |
| Steve London | ... | Agent Jack Rossman |
| John McLiam | ... | Rick Landy |
| Paul Picerni | ... | Agent Lee Hobson |
| Vladimir Sokoloff | ... | Sam |
| Frank Wilcox | ... | Beecher Asbury |
| Paul Bryar | ... | Detroit Representative (sin acreditar) |
Temporada 3, Episodio 2: Power Play
19 octubre 1961 | Robert Stack | ... | Eliot Ness |
| Albert Salmi | ... | Steve 'Country Boy' Parrish |
| Mary Fickett | ... | Emmy Sarver |
 | Carroll O'Connor | ... | Barney Lubin |
| Wendell Corey | ... | Willard Thornton |
| Walter Winchell | ... | Narrador (voz) |
| Robert Bice | ... | Capt. Johnson |
| Larry Breitman | ... | Joey Loomis |
| Abel Fernandez | ... | Agent William Youngfellow |
| Paul Genge | ... | Wally Jater |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Richard Reeves | ... | First Trucker |
| Bing Russell | ... | Officer Pete Garrett |
Temporada 3, Episodio 3: Tunnel of Horrors
26 octubre 1961 | Robert Stack | ... | Eliot Ness |
| Martin Balsam | ... | Arnold Justin |
| Bruce Gordon | ... | Frank Nitti |
| Don Gordon | ... | Johnny Selkirk |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Joseph Ruskin | ... | Alexander Raeder |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Harry Bartell | ... | Dr. Eric M. Olsen |
| Barbara Pepper | ... | Landlady |
| Arny Freeman | ... | Weisman (como Arnold Freeman) |
| Walter Winchell | ... | Narrador (voz) |
| Jim Boles | ... | Marty Mattern (sin acreditar) |
| Steve London | ... | Jack Rossman (sin acreditar) |
| James Nusser | ... | Drunk (sin acreditar) |
Temporada 3, Episodio 4: The Genna Brothers
2 noviembre 1961 | Robert Stack | ... | Eliot Ness |
| Marc Lawrence | ... | Mike Genna |
| Antony Carbone | ... | Angelo Genna |
| Frank Puglia | ... | Carlo Giovanni |
| Arlene Martel | ... | Stella Giovanni (como Arline Sax) |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Steve Gravers | ... | Tony Genna |
| Eugene Iglesias | ... | Emilio |
| Peter Coe | ... | Flipper |
| Grant Richards | ... | Frankie Resko |
| A.G. Vitanza | ... | Cooker |
| William Tannen | ... | Policía |
| Walter Winchell | ... | Narrador (voz) |
Temporada 3, Episodio 5: The Matt Bass Scheme
9 noviembre 1961 | Robert Stack | ... | Eliot Ness |
| Telly Savalas | ... | Matt Bass |
| Bruce Gordon | ... | Frank Nitti |
| Milton Selzer | ... | Jason Fiddler |
| Michael Constantine | ... | Seth Otis |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Steve London | ... | Agent Jack Rossman |
| Joseph Bernard | ... | Solly Wilks |
| Toni Tucci | ... | Alma |
| John Harmon | ... | Phil Grier |
| Grant Richards | ... | Frankie Resko |
| Herman Rudin | ... | Bochek |
| Walter Winchell | ... | Narrador (voz) |
| Baynes Barron | ... | Larry Rand (sin acreditar) |
| Carl Milletaire | ... | Pete Konitz (sin acreditar) |
| Jason Wingreen | ... | Capt. Dorset (sin acreditar) |
Temporada 3, Episodio 6: Loophole
16 noviembre 1961 | Robert Stack | ... | Eliot Ness |
 | Jack Klugman | ... | Morton Halas |
| Martin Landau | ... | Larry Coombs |
| Gavin MacLeod | ... | Whitey Metz |
| George Tobias | ... | Mikhail 'Red Mike' Probich |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Steve London | ... | Agent Jack Rossman |
| Vaughn Taylor | ... | District Attorney Harker Wade |
| John Wengraf | ... | Gus Kleeber |
| Lorna Thayer | ... | Connie LaVerne |
| Wendell Holmes | ... | The Judge |
| Joe Turkel | ... | Gobo Karsh |
| Peter Brocco | ... | Pete Lavery |
| Alexander Lockwood | ... | Dr. Burley |
| Kaaren Verne | ... | Mrs. Schoenbrun--Landlady (como Karen Verne) |
| Alan Gilbert | ... | Walter Horn--Orderly |
| Larkin Ford | ... | Witness |
| Walter Winchell | ... | Narrador (voz) |
| Howard Culver | ... | Charlie (sin acreditar) |
Temporada 3, Episodio 7: Jigsaw
23 noviembre 1961 | Robert Stack | ... | Eliot Ness |
| James Gregory | ... | Walter Trager |
 | Cloris Leachman | ... | Mrs. Mailer née Billie Trager |
| Bruce Gordon | ... | Frank Nitti |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Alan Baxter | ... | Harry Mailer |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Bernard Fein | ... | Marty Wilger (como Bernie Fein) |
| Paul Dubov | ... | Charlie Banion |
| Joseph V. Perry | ... | Cully Grice (como Joe Perry) |
| Harry Swoger | ... | Battler |
| Walter Winchell | ... | Narrador (voz) |
| Jim Hayward | ... | Hawk Feeney (sin acreditar) |
| Ralph Moody | ... | Landlord (sin acreditar) |
Temporada 3, Episodio 8: Man Killer
7 diciembre 1961 | Robert Stack | ... | Eliot Ness |
| Ruth Roman | ... | Georgiana Drake |
| Bruce Gordon | ... | Frank Nitti |
| Anne Helm | ... | Marian Keyes |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Mario Alcalde | ... | Marty Gladwin |
| Grant Richards | ... | Nick Dolov |
| Jay Adler | ... | Maxie |
| Mario Gallo | ... | Manny Kravitz |
| Joe Scott | ... | Pinky Malone |
| Walter Winchell | ... | Narrador (voz) |
Temporada 3, Episodio 9: City Without a Name
14 diciembre 1961 | Robert Stack | ... | Eliot Ness |
| Paul Richards | ... | Sebastian |
| Mike Kellin | ... | Lou Mungo |
| Bruce Gordon | ... | Frank Nitti |
| Paul Picerni | ... | Agent Lee Hobson |
| Steve London | ... | Agent Jack Rossman |
| Theodore Marcuse | ... | Oscar Symes |
| George Keymas | ... | Nick Vascovitch |
| Vic Perrin | ... | Arnie Falken |
| Joseph Breen | ... | Blinky |
| Harvey Stephens | ... | Commissioner F. Scott Bodeen |
| William Boyett | ... | Gilbert Burke |
| Walter Winchell | ... | Narrador (voz) |
| Joseph Mell | ... | Nitti Henchman (sin acreditar) |
| Frank Richards | ... | Weybright Killer (sin acreditar) |
Temporada 3, Episodio 10: Hammerlock
21 diciembre 1961 | Robert Stack | ... | Eliot Ness |
| Harold J. Stone | ... | Adam Stone |
| John Larch | ... | Bryan 'Bull' Hanlon |
| Will Kuluva | ... | Max Turkin |
| Joan Staley | ... | Marcia Stone |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Robert Carricart | ... | Louis 'Lepke' Buchalter |
| Joel Donte | ... | Pep Loman |
| John McLiam | ... | Conductor |
| Stewart Bradley | ... | Pete 'Brass Knuckles' Nolan |
| Oscar Beregi Jr. | ... | Joe Kulak (como Oscar Beregi) |
| Robert Burton | ... | Dennis Matson |
| Walter Winchell | ... | Narrador (voz) |
| Frank J. Scannell | ... | Sideshow Barker (sin acreditar) |
Temporada 3, Episodio 11: The Canada Run
4 enero 1962 | Robert Stack | ... | Eliot Ness |
| Simon Oakland | ... | Joe Palakopolous aka Mr. Pal |
| Arthur Hill | ... | Fr. Francis Gregory |
| Bruce Gordon | ... | Frank Nitti |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Dabbs Greer | ... | Agent Ned Ferber |
| John Alderson | ... | Grote |
| Than Wyenn | ... | Frenchy LeBlanc |
| Michael Hinn | ... | Tom Jethroe |
| Paul Bryar | ... | Urcel |
| Gene Roth | ... | Weiss |
| Walter Winchell | ... | Narrador (voz) |
| Steve London | ... | Agent Jack Rossman (sin acreditar) |
| Emile Meyer | ... | Speakeasy Owner (sin acreditar) |
| George Sawaya | ... | Coogan's Bodyguard (sin acreditar) |
Temporada 3, Episodio 12: Fall Guy
11 enero 1962 | Robert Stack | ... | Eliot Ness |
| Jay C. Flippen | ... | Big Joe Holvak |
| Herschel Bernardi | ... | Julius Albert Vernon |
| Don Gordon | ... | Francis James 'Frankie' Gruder |
| Robert Emhardt | ... | Janos 'Willie' Willinski |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Steve London | ... | Agent Jack Rossman |
| Herbie Faye | ... | Lefty |
| Cliff Carnell | ... | Pete Gort |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Frank Cady | ... | Larry Croft |
| Jon Lormer | ... | Finley Connors |
| Walter Winchell | ... | Narrador (voz) |
| Robert Beecher | ... | (sin acreditar) |
Temporada 3, Episodio 13: The Gang War
18 enero 1962 | Robert Stack | ... | Eliot Ness |
| Victor Buono | ... | Parnise Surigao |
| Bruce Gordon | ... | Frank Nitti |
| John Kellogg | ... | Lucky |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Abel Fernandez | ... | Agent William Youngfellow |
| Ed Nelson | ... | Johnny Prebble |
| Joe Di Reda | ... | Rusty Miller (como Joe di Reda) |
| Peter Forster | ... | Tony Masters |
| Anne Whitfield | ... | Sue |
| David Faulkner | ... | Jimmy |
| Paul Birch | ... | Capt. Jess Brownlee |
| Claudia Bryar | ... | Mrs. Phelps |
 | Dal McKennon | ... | Mr. Phelps |
| Wayne Heffley | ... | Swede |
| Paul Dubov | ... | Urcel |
| Lou Krugman | ... | Mgr. Grayson |
| Walter Winchell | ... | Narrador (voz) |
| Robert Bice | ... | Police Capt. Jim Johnson (sin acreditar) |
 | Charlie Picerni | ... | Machine-Gunner (sin acreditar) |
| John Zaccaro | ... | Surigao's Hood (sin acreditar) |
Temporada 3, Episodio 14: Silent Partner
1 febrero 1962 | Robert Stack | ... | Eliot Ness |
| Allyn Joslyn | ... | Wallace Laughton |
 | Dyan Cannon | ... | Mavis Carroll |
| Bert Convy | ... | Eddie Paris |
| Charles McGraw | ... | Pete Kalik |
| Walter Winchell | ... | Narrador (voz) |
| Stewart Bradley | ... | Nails Hanson |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Tim Graham | ... | Truck Driver |
| Stanley Kahn | ... | Les Keever |
| John Milford | ... | Woody Lubek |
| Paul Picerni | ... | Agent Lee Hobson |
| Sydney Smith | ... | Telford Barnes |
| Charles Horvath | ... | Hood (sin acreditar) |
Temporada 3, Episodio 15: The Whitey Steele Story
8 febrero 1962 | Robert Stack | ... | Eliot Ness |
| Henry Silva | ... | Joker |
| Murray Hamilton | ... | Michael Barrigan |
| Eduardo Ciannelli | ... | Gregory Pindar |
| Phillip Pine | ... | Griff Darden |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Sean McClory | ... | Police Capt. John Stanwood |
| Bing Russell | ... | Frankie Brendon |
| Frank Wilcox | ... | Beecher Asbury |
| Oscar Beregi Jr. | ... | Joe Kulak (como Oscar Beregi) |
| Hal K. Dawson | ... | Vendor |
| Ila Britton | ... | Louise Bramley (como Ila Briton) |
| Walter Winchell | ... | Narrador (voz) |
Temporada 3, Episodio 16: The Death Tree
15 febrero 1962 | Robert Stack | ... | Eliot Ness |
 | Charles Bronson | ... | Janos Colescou |
| Barbara Luna | ... | Magda Bartok |
| Theodore Marcuse | ... | Alex |
| Paul Picerni | ... | Agent Lee Hobson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
 | Edward Asner | ... | Fedor Bartok |
| Richard Bakalyan | ... | Benno |
| Booth Colman | ... | Victor Bartok |
| Eugene Iglesias | ... | George Karig |
| Otto Waldis | ... | Rudolph Benosch |
| Sara Taft | ... | Madre |
| Larry Breitman | ... | Chestnut Vendor |
| Cyril Delevanti | ... | Newsboy (como Cyril Delavanti) |
| Maurice Kelly | ... | Bailarín |
| Richard Bartell | ... | Druggist |
| Walter Winchell | ... | Narrador (voz) |
| Mickey Golden | ... | Senate Member (sin acreditar) |
| Charlie Picerni | ... | Colescou Henchman (sin acreditar) |
Temporada 3, Episodio 17: Takeover
1 marzo 1962 | Robert Stack | ... | Eliot Ness |
 | Robert Loggia | ... | Leo Mencken / Larry Zenko |
| Collin Wilcox Paxton | ... | Ann Gratzner (como Collin Wilcox) |
| John Banner | ... | Franz Koenig |
| Luther Adler | ... | Charlie Zenko |
| Walter Winchell | ... | Narrador (voz) |
| Oscar Beregi Jr. | ... | Joe Kulak (como Oscar Beregi) |
| William Bryant | ... | Prosecuting Attorney |
| Christine Carter | ... | Shimmy Dancer |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Jack Rossman |
| Mort Mills | ... | Woody O'Mara |
 | Leonard Nimoy | ... | Packy - 3-17 |
| Paul Picerni | ... | Agent Lee Hobson |
| Bruno VeSota | ... | Defense Attorney |
| Steven Benson | ... | Newspaper Boy (sin acreditar) |
| John Mitchum | ... | Brewery employee (sin acreditar) |
Temporada 3, Episodio 18: The Stryker Brothers
8 marzo 1962 | Robert Stack | ... | Eliot Ness |
| Frank Sutton | ... | Benny Stryker |
| Michael Strong | ... | Morton Stryker |
| Joseph Bernard | ... | Alvin Stryker |
| Nehemiah Persoff | ... | Mr. Jaeger |
| Walter Winchell | ... | Narrador (voz) |
| Robert Bice | ... | Police Capt. Hale Johnson |
| Abel Fernandez | ... | William Youngfellow |
| Michael Fox | ... | Lieutenant Miller |
| Arny Freeman | ... | Webster |
| Nicholas Georgiade | ... | Enrico Rossi |
| Buck Kartalian | ... | Nate Stryker |
| Paul Picerni | ... | Lee Hobson |
| Grant Richards | ... | Rosco |
Temporada 3, Episodio 19: Element of Danger
22 marzo 1962 | Robert Stack | ... | Eliot Ness |
| Lee Marvin | ... | Victor Rait / Howard Carson |
| Victor Jory | ... | Arnold Stegler |
| Walter Winchell | ... | Narrador (voz) |
| Russ Bender | ... | Daniel Gosden |
| Eve Cotton | ... | Miss MacLean - Lipreader |
| Howard Culver | ... | Smitty |
| Paul Dubov | ... | Weisbaden |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Paul Picerni | ... | Agent Lee Hobson |
| Al Ruscio | ... | Gus Kroelig |
| Hugh Sanders | ... | Greer |
| Sandra Warner | ... | Gina |
| Richard Reeves | ... | Bartender (sin acreditar) |
Temporada 3, Episodio 20: The Maggie Storm Story
29 marzo 1962 | Robert Stack | ... | Eliot Ness |
| Vic Morrow | ... | Vince Shirer |
| John Kellogg | ... | Lucky Quinn |
| Joseph Ruskin | ... | Louis 'Lepke' Buchalter |
| Patricia Neal | ... | Maggie Storm |
| Walter Winchell | ... | Narrador (voz) |
| Paul Bryar | ... | Racketeer |
| Frank DeKova | ... | The Man |
| Bernard Fein | ... | Ed Harker |
| Abel Fernandez | ... | William Youngfellow |
| Nicholas Georgiade | ... | Enrico Rossi |
| Tommy Nello | ... | Salonero (como Thomas Nello) |
| Paul Picerni | ... | Lee Hobson |
| Beverly Powers | ... | Salonera (como Beverly Hills) |
| Herman Rudin | ... | Benny Rivas |
Temporada 3, Episodio 21: Man in the Middle
5 abril 1962 | Robert Stack | ... | Eliot Ness |
| Tom Drake | ... | Joe Bomer |
| Cloris Leachman | ... | Julie Liemer |
| Gavin MacLeod | ... | William 'Porker' Davis (como Gavin McLeod) |
| Martin Balsam | ... | Benjy Liemer |
| Walter Winchell | ... | Narrador (voz) |
| Joey Barnum | ... | Conductor de Taxi |
| Paul Barselou | ... | Walter Hale (como Paul Barselow) |
| Robert Christopher | ... | Malty Karsh |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Mike Mazurki | ... | 'Moose' Tobin |
| Louis Nicoletti | ... | Floorman |
| Paul Picerni | ... | Agent Lee Hobson |
Temporada 3, Episodio 22: Downfall
3 mayo 1962 | Robert Stack | ... | Eliot Ness |
| Simon Oakland | ... | Pete Kalmisky |
 | Stefan Schnabel | ... | Henry Grunther |
| Milton Selzer | ... | Allan Sitkin |
| Steven Hill | ... | Joseph December |
| Walter Winchell | ... | Narrador (voz) |
| William Challee | ... | Mike Kilkenny |
| Jeff Davis | ... | Hood |
| Nicholas Georgiade | ... | Enrico Rossi |
| Carol Kent | ... | Secretaria (como Carole Kent) |
| Cathie Merchant | ... | Cantante (como Cathy Merchant) |
| Paul Picerni | ... | Lee Hobson |
| Frank Wilcox | ... | Beecher Asbury |
Temporada 3, Episodio 23: The Case Against Eliot Ness
10 mayo 1962 | Robert Stack | ... | Eliot Ness |
| Bruce Gordon | ... | Frank Nitti |
| Jeanne Cooper | ... | Fran Cagle |
| Pat Hingle | ... | Mitchell Grandin |
| Walter Winchell | ... | Narrador (voz) |
| Bruce Andersen | ... | Committee Chairman |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Cliff Carnell | ... | Dolph Cagle |
| Christine Carter | ... | Woman in Room 23 |
 | Martin Clark | ... | Superintendent |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
 | Sid Haig | ... | Augie the Hood |
 | George Murdock | ... | Gus Dmytryk |
| Shirley O'Hara | ... | Mrs. Halvorsen |
| Robert Palmer | ... | Billy Cooner |
| Paul Picerni | ... | Agent Lee Hobson |
| Edmund Tontini | ... | Reportero |
| Joe Turkel | ... | Birdie Yates (como Joseph Turkel) |
| Bruno VeSota | ... | Reportero |
| Frank Wilcox | ... | Beecher Asbury |
Temporada 3, Episodio 24: The Ginnie Littlesmith Story
17 mayo 1962 | Robert Stack | ... | Eliot Ness |
| Don Gordon | ... | Vic Cassandros |
| Brook Byron | ... | Marie LaRose |
| Phyllis Love | ... | Ginnie Littlesmith |
| Walter Winchell | ... | Narrador (voz) |
| Marlene Callahan | ... | Laura Littlesmith |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Barnaby Hale | ... | Owen Enters |
| John McLiam | ... | Father Donovan |
| Barbara Pepper | ... | Mrs. Littlesmith |
| Paul Picerni | ... | Agent Lee Hobson |
| Leonard Strong | ... | Ben Poe |
| Harry Swoger | ... | Chez Goshen |
| Toni Tucci | ... | Fay |
| Robert Bice | ... | Capt. Jim 'Hale' Johnson (sin acreditar) |
| Linda Evans | ... | Gert Littlesmith (sin acreditar) |
| John Harmon | ... | Hotel Clerk (sin acreditar) |
| Jenö Mate | ... | Smitty Kopek (sin acreditar) |
| Lee Van Cleef | ... | Man in Soup Kitchen (sin acreditar) |
Temporada 3, Episodio 25: The Contract
31 mayo 1962 | Robert Stack | ... | Eliot Ness |
| Frank Sutton | ... | Smiley Barris |
| Gloria Talbott | ... | Jeanne Lauder |
| John Larkin | ... | Ray Quist |
| Harry Guardino | ... | Johnny Templar |
| Walter Winchell | ... | Narrador (voz) |
| Michael Barrier | ... | Desk Sergeant Jennings |
| Paul Baxley | ... | Boatman |
| Oscar Beregi Jr. | ... | Joe Kulak |
| Lane Bradford | ... | Captain Fuller |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Dick Haynes | ... | Launch Attendant |
| Paul Picerni | ... | Agent Lee Hobson |
| Kelly Thordsen | ... | Edwin T. MacKane |
Temporada 3, Episodio 26: Pressure
14 junio 1962 | Robert Stack | ... | Eliot Ness |
| Harold J. Stone | ... | Louie 'The Bear' Madikoff |
| Collin Wilcox Paxton | ... | Francie Pavanos (como Collin Wilcox) |
| Darryl Hickman | ... | Danny Madikoff |
| Walter Winchell | ... | Narrador (voz) |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Stewart Bradley | ... | Wally Corbin |
| Robert Carricart | ... | Charles 'Lucky' Luciano |
| Booth Colman | ... | Mike Pavanos |
| Jack Elam | ... | Jug Alverson |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Jon Lormer | ... | Lawton Hollis |
| Arthur Malet | ... | Brother Adam |
| Warren Oates | ... | Artie 'The Firecracker' Krebs |
| Paul Picerni | ... | Agent Lee Hobson |
| Frank Wilcox | ... | District Attorney Beecher Asbury |
Temporada 3, Episodio 27: Arsenal
28 junio 1962 | Robert Stack | ... | Eliot Ness |
| Salome Jens | ... | Eva Tobek |
| George Mathews | ... | Matt Malloy |
| Bruce Gordon | ... | Frank Nitti |
| Kevin Hagen | ... | Jan Tobek |
| Walter Winchell | ... | Narrador (voz) |
| Stanley Farrar | ... | Ayudante |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Johnny Seven | ... | Lefty |
| K.L. Smith | ... | Javitt |
| Karl Swenson | ... | Stanley Zolinsky |
| Robert J. Wilke | ... | Bugs Moran |
Temporada 3, Episodio 28: The Monkey Wrench
5 julio 1962 | Robert Stack | ... | Eliot Ness |
| Claude Akins | ... | Karl Hansa / Karl Schmidt |
| Bruce Gordon | ... | Frank Nitti |
| Dolores Dorn | ... | Mady Collins / Mrs. Bert Kerner |
| Walter Winchell | ... | Narrador (voz) |
| Sheldon Allman | ... | Louie |
| Oscar Beregi Jr. | ... | Joe Kulak |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Warren J. Kemmerling | ... | Dutch Schultz (como Warren Kemmerling) |
 | Cliff Osmond | ... | Barney Kova |
| Paul Picerni | ... | Agent Lee Hobson |
| Henry Rowland | ... | Belvant |
| Albert Szabo | ... | Max Kerner |
| Abel Fernandez | ... | William Youngfellow (sin acreditar) |
| Steve London | ... | Jack Rossman (sin acreditar) |
Temporada 4
Temporada 4, Episodio 1: The Night They Shot Santa Claus
25 septiembre 1962 | Robert Stack | ... | Eliot Ness |
| Ruth White | ... | Bertha Levinson |
| Russell Collins | ... | Mr. Edges |
| Nita Talbot | ... | Renee Grayson |
| Walter Winchell | ... | Narrador (voz) |
| Edward Asner | ... | Jimmy Canada |
| Ben Astar | ... | Warczek |
| Robert Bice | ... | Police Capt. Johnson |
| Curt Conway | ... | Lieutenant Clay |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Isabel Jewell | ... | Sophie |
| Steve London | ... | Agent Jack Rossman |
| Paul Picerni | ... | Agent Lee Hobson |
| Barry Russo | ... | Brikka (como John Duke) |
| K.L. Smith | ... | Art Tenney |
| Murvyn Vye | ... | Mike Volny |
| Grace Lee Whitney | ... | Penny |
 | Butch Patrick | ... | Charlie (sin acreditar) |
Temporada 4, Episodio 2: The Cooker in the Sky
2 octubre 1962 | Robert Stack | ... | Eliot Ness |
| Milton Selzer | ... | Harry Gordon |
| J.D. Cannon | ... | Joe Lassiter |
| Anne Jackson | ... | Edna Gordon |
| Walter Winchell | ... | Narrador (voz) |
 | Jack Bryant | ... | Birdie |
| Craig Duncan | ... | Jim Laffey |
 | Bill Erwin | ... | Auctioneer (como William Erwin) |
| Abel Fernandez | ... | Agent William Youngfellow |
| Paul Genge | ... | Guido Lagatutta |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Don Hanmer | ... | Nick Karabinos |
| Steve London | ... | Agent Jack Rossman |
 | Paul Marin | ... | Will Hafnur |
| Paul Picerni | ... | Agent Lee Hobson |
| Bill Zuckert | ... | Louis Tully (como William Zuckert) |
Temporada 4, Episodio 3: The Chess Game
9 octubre 1962 | Robert Stack | ... | Eliot Ness |
| Murray Hamilton | ... | Charley Mailer |
| Barbara Barrie | ... | Cheryl Hines |
| Michael Constantine | ... | Marty Baltin |
| Richard Conte | ... | Ira Bauer |
| Walter Winchell | ... | Narrador (voz) |
| Jay Adler | ... | Louis Collings |
| Abel Fernandez | ... | Agent William Youngfellow |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Ned Glass | ... | Howie Reif |
| Paul Picerni | ... | Agent Lee Hobson |
| Olan Soule | ... | Frank Casey |
Temporada 4, Episodio 4: The Economist
16 octubre 1962 | Robert Stack | ... | Eliot Ness |
| George Mathews | ... | Charlie Grach |
 | Joseph Sirola | ... | Vincent Tunis |
| Ellen Madison | ... | Mrs. Henning |
| Walter Winchell | ... | Narrador (voz) |
 | Rae Allen | ... | Sarro's Daughter |
| James Callahan | ... | Miles Henning |
| Henry Corden | ... | Kroner |
| Ken Lynch | ... | Union Official |
| Joseph V. Perry | ... | Filomena (como Joseph Perry) |
| Malachi Throne | ... | Barnett |
| A.G. Vitanza | ... | Mr. Sarro |
Temporada 4, Episodio 5: The Pea
23 octubre 1962 | Robert Stack | ... | Eliot Ness |
| Sally Gracie | ... | Mae Denby |
| Albert Paulsen | ... | Max Zenner |
 | Frank Gorshin | ... | Herbie Catcher |
| Walter Winchell | ... | Narrador (voz) |
| Stefan Gierasch | ... | Cooker |
| Gilbert Green | ... | Martin Rawlings |
| Robert F. Hoy | ... | First Hood |
| Michael Keep | ... | Angel Podaris |
| Elizabeth MacRae | ... | Jean Colton aka Bunny |
| Davis Roberts | ... | Josh |
| Jason Wingreen | ... | Second Hood |
Temporada 4, Episodio 6: Bird in the Hand
30 octubre 1962 | Robert Stack | ... | Eliot Ness |
| Herschel Bernardi | ... | Benno Fisk |
| Carroll O'Connor | ... | Arnie Kurtz aka Albert Krim |
| Nan Martin | ... | Stella Kurtz |
| Dane Clark | ... | Dr. Victor Garr |
| Walter Winchell | ... | Narrador (voz) |
| Elisha Cook Jr. | ... | Clarinet Player |
| Abel Fernandez | ... | Agent William Youngfellow |
| John Gabriel | ... | Dr. Daniel E. Gifford |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| John Holland | ... | Hospital Patient |
 | Harvey Korman | ... | Resident |
| Steve London | ... | Agent Jack Rossman |
| Jennie Lynn | ... | Tina |
| Theodore Marcuse | ... | The Man |
| John McLiam | ... | Trucker |
| Paul Picerni | ... | Agent Lee Hobson |
| Pat Rosson | ... | Muchacho |
| Bing Russell | ... | Cavanaugh |
| Hugh Sanders | ... | Dr. Hasker |
| Bill Walker | ... | Porter |
Temporada 4, Episodio 7: The Eddie O'Gara Story
13 noviembre 1962 | Robert Stack | ... | Eliot Ness |
| Sean McClory | ... | Vince O'Gara |
| Robert J. Wilke | ... | Bugs Moran |
 | Mike Connors | ... | Eddie O'Gara (como Michael Connors) |
| Walter Winchell | ... | Narrador (voz) |
| Baynes Barron | ... | Rudy Mann |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Nicholas Georgiade | ... | Agent Enrico Rossi |
| Paul Picerni | ... | Agent Lee Hobson |
| Grant Richards | ... | Joe Aiello |
| K.L. Smith | ... | Jack McGurn |
| Jason Wingreen | ... | Phil Benyas |
| Meg Wyllie | ... | Mary O'Gara |
Temporada 4, Episodio 8: Elegy
20 noviembre 1962 | Robert Stack | ... | Eliot Ness |
| John Larch | ... | Charley Radick |
| Peggy Ann Garner | ... | Margaret Radick aka Margaret Wilson |
 | Barbara Stanwyck | ... | Lt Agatha 'Aggie' Stewart |
| Edward Asner | ... | Frank |
| William Bramley | ... | Stephen Millerick |
| Virginia Capers | ... | June |
| Andrea Darvi | ... | Amy |
| Steve Harris | ... | Ted Clemens |
| Edward Holmes | ... | Al |
 | Woodrow Parfrey | ... | Fred Myerson |
| William Sargent | ... | Officer Harrison |
| Hope Summers | ... | Mrs. Letta Hodges |
| Walter Winchell | ... | Narrador (voz) |
 | DeForest Kelley | ... | Detective Missing Persons Bureau (sin acreditar) |
Temporada 4, Episodio 9: Come and Kill Me
27 noviembre 1962 | Robert Stack | ... | Eliot Ness |
| Dan Dailey | ... | Dexter Lloyd Bayless |
| Walter Winchell | ... | Narrador (voz) |
| Frank Behrens | ... | Foster |
| Robert Bice | ... | Police Capt. Jim Johnson |
| Martin Braddock | ... | Rick Tarro |
| Angela Clarke | ... | Catherine Chavis |
| Ted de Corsia | ... | Nate Stryker |
| Jack Dennison | ... | Arnold 'Spats' Vincent |
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