Trailer
Images
 | Anny Ondra as Alice White |
 | Sara Allgood as Mrs. White |
 | Charles Paton as Mr. White |
 | John Longden as Detective Frank Webber |
 | Donald Calthrop as Tracy |
 | Cyril Ritchard as The Artist |
 | Hannah Jones as The Landlady |
 | Harvey Braban as The Chief Inspector |
 | Ex-Det. Sergt. Bishop as The Detective Sergeant |
 | Alfred Hitchcock as Man on Subway (uncredited) |
| Johnny Ashby as Boy (uncredited) |
 | Joan Barry as Alice White (voice) (uncredited) |
| Johnny Butt as Sergeant (uncredited) |
 | Phyllis Konstam as Gossiping Neighbour (uncredited) |
| Sam Livesey as The Chief Inspector (silent version) (uncredited) |
| Phyllis Monkman as Gossip Woman (uncredited) |
 | Percy Parsons as Crook (uncredited) |
| Editing | |
| Emile de Ruelle | Editor |
Art | |
| C. Wilfred Arnold | Art Direction |
Writing | |
| Alfred Hitchcock | Screenplay |
Camera | |
| Jack E. Cox | Director of Photography |
Directing | |
| Alfred Hitchcock | Director |
Sound | |
| Hubert Bath | Original Music Composer |
Art | |
| Norman G. Arnold | Art Direction |
Sound | |
| Harry Miller | Sound Editor |
Production | |
| John Maxwell | Producer |
Sound | |
| Dallas Bower | Sound Recordist |
Camera | |
| Derick Williams | Assistant Camera |
Sound | |
| Harold V. King | Sound |
Camera | |
| Ronald Neame | Assistant Camera |
| Michael Powell | Assistant Camera |
Directing | |
| Frank Mills | Assistant Director |
Writing | |
| Michael Powell | Writer |
| Charles Bennett | Theatre Play |
Sound | |
| Reginald Connelly | Original Music Composer |
| John Reynders | Conductor |
| Harry Stafford | Music Arranger |
| Jimmy Campbell | Original Music Composer |
Writing | |
| Benn W. Levy | Dialogue |
Sound | |
| Hubert Bath | Music Arranger |
