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 |
| Camera | Jack E. Cox | Director of Photography |
| Editing | Emile de Ruelle | Editor |
| Directing | Alfred Hitchcock | Director |
| Art | C. Wilfred Arnold | Art Direction |
| Sound | Dallas Bower | Sound Recordist |
| Sound | Hubert Bath | Original Music Composer |
| Art | Norman G. Arnold | Art Direction |
| Sound | Harry Miller | Sound Editor |
| Sound | Harold V. King | Sound |
| Production | John Maxwell | Producer |
| Camera | Derick Williams | Assistant Camera |
| Camera | Ronald Neame | Assistant Camera |
| Camera | Michael Powell | Assistant Camera |
| Directing | Frank Mills | Assistant Director |
| Writing | Michael Powell | Writer |
| Writing | Charles Bennett | Theatre Play |
| Sound | Reginald Connelly | Original Music Composer |
| Sound | Hubert Bath | Music Arranger |
| Sound | John Reynders | Conductor |
| Sound | Jimmy Campbell | Original Music Composer |
| Writing | Benn W. Levy | Dialogue |
| Sound | Harry Stafford | Music Arranger |
