Directed by
| Henry S. Kesler | ||
Writing Credits (in alphabetical order)
| Laurence Heath | ... | (as Leonard Heideman) |
| Herbert A. Philbrick | ... | (book) |
Cast (in credits order)
| Richard Carlson | ... | Herbert A. Philbrick | |
 |
Scott Douglas | ... | Comrade Karl Mueller |
| Marilyn O'Connor | ... | Wanda | |
| Charles Maxwell | ... | Special Agent Joe Carey | |
| Bradford Jackson | ... | Dick Andrews (as Brad Jackson) | |
|
|
Theodore Lehmann | ... | Hans Coleman (as Theodore E. Lehmann) |
|
|
William Vaughn | ... | Comrade Roach (as William Vaughan) |
| Dick Wilson | ... | Commandant | |
Cinematography by
| Robert Hoffman | ||
Editing by
| Charles Craft | ||
Set Decoration by
| Bruce MacDonald | ||
Production Management
| Henry S. Kesler | ... | production supervisor |
Second Unit Director or Assistant Director
| Eddie Stein | ... | first assistant director (as Ed Stein) |
| Bobby Ray | ... | second assistant director (uncredited) |
Art Department
| Jack T. Collis | ... | set designer (as Jack Collis) |
| Victor F. Petrotta Sr. | ... | property master (as Victor Petrotta) |
Sound Department
| Garry A. Harris | ... | sound mixer (as Garry Harris) |
| Quinn Martin | ... | audio supervisor |
| Sidney Sutherland | ... | sound editor |
Camera and Electrical Department
| Richard L. Rawlings | ... | camera operator (as Dick Rawlings) |
Script and Continuity Department
| Larry Lund | ... | script supervisor |
Additional Crew
| Donald Tait | ... | video supervisor |
| Joe Wonder | ... | production coordinator |