London, 1929. Frank Webber, a very busy Scotland Yard detective, seems to be more interested in his work than in Alice White, his girlfriend. Feeling herself ignored, Alice agrees to go out with an elegant and well-mannered artist who invites her to visit his fancy apartment.
Unfortunately the movie Blackmail is not yet available on Disney Plus.
| Writing | Alfred Hitchcock | Screenplay |
| Directing | Alfred Hitchcock | Director |
| Camera | Jack E. Cox | Director of Photography |
| Art | C. Wilfred Arnold | Art Direction |
| Editing | Emile de Ruelle | Editor |
| Directing | Frank Mills | Assistant Director |
| Writing | Charles Bennett | Theatre Play |
| Sound | Jimmy Campbell | Original Music Composer |
| Sound | John Reynders | Conductor |
| Sound | Hubert Bath | Music Arranger |
| Sound | Harry Stafford | Music Arranger |
| Sound | Reginald Connelly | Original Music Composer |
| Writing | Benn W. Levy | Dialogue |
| Writing | Michael Powell | Writer |
| Production | John Maxwell | Producer |
| Sound | Hubert Bath | Original Music Composer |
| Art | Norman G. Arnold | Art Direction |
| Sound | Dallas Bower | Sound Recordist |
| Sound | Harold V. King | Sound |
| Sound | Harry Miller | Sound Editor |
| Camera | Ronald Neame | Assistant Camera |
| Camera | Michael Powell | Assistant Camera |
| Camera | Derick Williams | Assistant Camera |
