| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Newman | Crew | Sound | Music Director |
 Ben Nye | Crew | Costume & Make-Up | Makeup Artist |
 Charles LeMaire | Crew | Costume & Make-Up | Wardrobe Master |
 Darryl F. Zanuck | Crew | Production | Executive Producer |
David Buttolph | Crew | Sound | Original Music Composer |
Edward B. Powell | Crew | Sound | Orchestrator |
Fred Sersen | Crew | Crew | Special Effects |
 Gene Markey | Crew | Production | Producer |
George Leverett | Crew | Sound | Sound |
 Gregory Ratoff | Crew | Directing | Director |
James B. Clark | Crew | Editing | Editor |
Joseph MacDonald | Crew | Camera | Director of Photography |
Marjorie Bowen | Crew | Writing | Novel |
 Jules Furthman | Crew | Writing | Screenplay |
Mark-Lee Kirk | Crew | Art | Art Direction |
Maurice De Packh | Crew | Sound | Orchestrator |
 Niven Busch | Crew | Writing | Adaptation |
Paul S. Fox | Crew | Art | Set Decoration |
René Hubert | Crew | Costume & Make-Up | Costume Design |
Richard Day | Crew | Art | Art Direction |
Roger Heman Sr. | Crew | Sound | Sound |
Thomas Little | Crew | Art | Set Decoration |
Tom Reed | Crew | Writing | Screenplay |
Harry Lloyd Morris | Crew | Crew | Technical Advisor |
 Al Ferguson | Cast | Actor | Constable (uncredited) |
Alec Harford | Cast | Bookseller (uncredited) | |
Alex Frazer | Cast | Actor | Landlord (uncredited) |
 Billy Bevan | Cast | Actor | Harry, Cab Driver (uncredited) |
Carol Savage | Cast | Actress | Harriet (uncredited) |
 Charles McNaughton | Cast | Actor | Alf (uncredited) |
 Clifford Brooke | Cast | Actor | Chemist (uncredited) |
 Colin Campbell | Cast | Actor | Art Gallery Attendant (uncredited) |
 Colin Kenny | Cast | Actor | Cab Driver (uncredited) |
Connie Leon | Cast | Actress | Seamstress (uncredited) |
Doreen Munroe | Cast | Actress | Lodger (uncredited) |
Eileen Robinson | Cast | Dancer (uncredited) | |
 Ethel Barrymore | Cast | Actress | Lady Margaret Drego |
 Francis Pierlot | Cast | Actor | Train Conductor (uncredited) |
 Frank Baker | Cast | Actor | Lodger (uncredited) |
 George Zucco | Cast | Actor | Craxton |
 Gerald Oliver Smith | Cast | Actor | Hotel Clerk (uncredited) |
Harry Allen | Cast | Actor | Threadbare Little Man (uncredited) |
John Goldsworthy | Cast | Actor | Minister (uncredited) |
John Rogers | Cast | Actor | Fothergill (uncredited) |
Lee MacGregor | Cast | Actor | Bellboy (uncredited) |
 Leonard Carey | Cast | Actor | Coroner (uncredited) |
 Margo Woode | Cast | Actress | Daisy Arrow |
Michael Dyne | Cast | Actor | Asst. Hotel Manager (uncredited) |
Norman Ainsley | Cast | Actor | Deputy Coroner (uncredited) |
 Patricia Medina | Cast | Actress | Audrey Ashton |
 Patrick O'Moore | Cast | Actor | George Gilby (uncredited) |
Paul England | Cast | Publican (uncredited) | |
 Peggy Cummins | Cast | Actress | Belle Adair aka Rose Lynton |
 Rhys Williams | Cast | Actor | Deputy Inspector Evans |
Russ Clark | Cast | Actor | Constable (uncredited) |
 Sally Shepherd | Cast | Actress | Maid (uncredited) |
 Sam Harris | Cast | Actor | Family Soliciter (uncredited) |
 Stuart Holmes | Cast | Actor | Pompous English Colonel (uncredited) |
 Tom Moore | Cast | Actor | Coroner's Foreman (uncredited) |
 Victor Mature | Cast | Actor | Michael Drego |
 Vincent Price | Cast | Actor | Police Inspector Clinner |
Wallace Scott | Cast | Actor | Cab Driver (uncredited) |
Felippa Rock | Cast | Actress | Liza, Dancer (uncredited) |
Charlene Brooks | Cast | Dancer (uncredited) | |
Gilbert Wilson | Cast | Footman (uncredited) | |
Dorothy Schoemer | Cast | Dancer (uncredited) | |
Basil Walker | Cast | Thompson (uncredited) | |
Stanley Mann | Cast | Footman (uncredited) | |
Victor Wood | Cast | Wilson (uncredited) | |
Barbara Blaine | Cast | Dancer (uncredited) | |
| Person | Type | Job | Role(s) |
