Directed by
| Alfred Hitchcock | ||
Writing Credits
| Charles Bennett | ... | (from the play by) |
| Alfred Hitchcock | ... | (adapted by) |
| Benn W. Levy | ... | (dialogue) (as Benn Levy) |
| Michael Powell | ... | (uncredited) |
Cast (in credits order) verified as complete
| Anny Ondra | ... | Alice White | |
| Sara Allgood | ... | Mrs. White | |
| Charles Paton | ... | Mr. White | |
| John Longden | ... | Detective Frank Webber | |
| Donald Calthrop | ... | Tracy | |
| Cyril Ritchard | ... | The Artist | |
| Hannah Jones | ... | The Landlady | |
| Harvey Braban | ... | The Chief Inspector (sound version) | |
 |
Ex-Det. Sergt. Bishop | ... | The Detective Sergeant (as Ex-Det. Sergt. Bishop - Late C.I.D. Scotland Yard) |
| Rest of cast listed alphabetically: | |||
|
|
Johnny Ashby | ... | Boy (uncredited) |
| Joan Barry | ... | Alice White (voice) (uncredited) | |
|
|
Johnny Butt | ... | Sergeant (uncredited) |
| Alfred Hitchcock | ... | Man on Subway (uncredited) | |
| Phyllis Konstam | ... | Gossiping Neighbour (uncredited) | |
| Sam Livesey | ... | The Chief Inspector (silent version) (uncredited) | |
| Phyllis Monkman | ... | Gossip Woman (uncredited) | |
| Percy Parsons | ... | Crook (uncredited) | |
Produced by
| John Maxwell | ... | producer (uncredited) |
Music by
| Jimmy Campbell | ... | (as Campbell) (musical score by) |
| Reginald Connelly | ... | (as Connelly) (musical score by) |
| Hubert Bath | ... | (uncredited) |
Cinematography by
| Jack E. Cox | ... | (as Jack Cox) (photography) |
Editing by
| Emile de Ruelle | ... | film editor |
Art Direction by
| C. Wilfred Arnold | ... | (as W.C. Arnold) |
| Norman G. Arnold | ... | (uncredited) |
Second Unit Director or Assistant Director
| Frank Mills | ... | assistant director |
Sound Department
| Dallas Bower | ... | sound recordist (uncredited) |
| Harold V. King | ... | sound (uncredited) |
| Harry Miller | ... | sound editor (uncredited) |
Camera and Electrical Department
| Ronald Neame | ... | assistant camera (uncredited) |
| Michael Powell | ... | assistant camera (uncredited) |
| Derick Williams | ... | assistant camera (uncredited) |
Music Department
| Hubert Bath | ... | musical score arranged by / musical score compiled by |
| John Reynders | ... | conductor: British International Symphony Orchestra |
| Harry Stafford | ... | musical score arranged by / musical score compiled by |
Additional Crew
| Joan Barry | ... | dubbing voice: Anny Ondra (uncredited) |
