| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anthony Berkeley | Crew | Writing | Story |
Barry Trivers | Crew | Writing | Screenplay |
 Bryan Foy | Crew | Production | Executive Producer |
Charles Kenyon | Crew | Crew | Additional Writing |
Charles Lang | Crew | Sound | Sound |
Damon Giffard | Crew | Costume & Make-Up | Costume Design |
Edmund Grainger | Crew | Production | Associate Producer |
Elmer Decker | Crew | Directing | Assistant Director |
Esdras Hartley | Crew | Art | Art Direction |
Heinz Roemheld | Crew | Sound | Original Music Composer |
James Van Trees | Crew | Camera | Director of Photography |
 Leo F. Forbstein | Crew | Sound | Music Director |
Perc Westmore | Crew | Costume & Make-Up | Makeup Artist |
Ray Heindorf | Crew | Sound | Music Arranger |
 Robert Rossen | Crew | Crew | Additional Writing |
Thomas Richards | Crew | Editing | Editor |
 Vincent Sherman | Crew | Directing | Director |
Al Lloyd | Cast | Actor | Man Walking Out of Hotel |
 Alexander Lockwood | Cast | Actor | Conway |
 Alexis Smith | Cast | Actress | Young Woman Saying 'I Wish She Was Dead' |
Ann Edmonds | Cast | Nurse | |
 David Bruce | Cast | Actor | John Saunders |
 Eddy Chandler | Cast | Actor | Eddy, Headkeeper |
 Edward Gargan | Cast | Actor | Hotel Doorman |
 Edwin Stanley | Cast | Actor | Doctor |
 Elliott Sullivan | Cast | Actor | Cab Driver #2 |
Evelyn Mulhall | Cast | Undetermined Role | |
 Frank Reicher | Cast | Actor | Edvaard Kreindling |
 Geraldine Fitzgerald | Cast | Actress | Betty Farroway |
 Hardie Albright | Cast | Actor | Ferrers |
 Inez Palange | Cast | Actress | Mrs. Moraciagos |
 James Stephenson | Cast | Actor | Dr. Lawrence 'Larry' Stevens |
 Jeffrey Lynn | Cast | Actor | Michael Farroway |
 John Eldredge | Cast | Actor | Peterson |
 John Hamilton | Cast | Actor | Judge |
 Jonathan Hale | Cast | Actor | Dist. Atty. Johnson |
 Libby Taylor | Cast | Actress | Maid |
Manart Kippen | Cast | Actor | Detective Fereti |
 Mary Gordon | Cast | Actress | Martha |
 Mona Maris | Cast | Actress | Ketti Moret |
 Paul Panzer | Cast | Actor | Jim's Cafe Waiter |
Peter Ashley | Cast | Young Man Saying 'She Walked Out on Me' | |
 Rafael Alcayde | Cast | Actor | Monsieur Lascaut |
Richard Kipling | Cast | Elderly Man Saying 'She Took Every Cent I Had' | |
 Robert Homans | Cast | Actor | Jailer |
 Romaine Callender | Cast | Actor | Psychiatrist |
 Sam Ash | Cast | Actor | Desk Clerk at Club |
 Sol Gorss | Cast | Actor | Cab Driver #1 |
 Stephen Chase | Cast | Actor | Walter Sender |
 Thomas Mitchell | Cast | Actor | Prof. Henry Todhunter |
 Thurston Hall | Cast | Actor | Dean Somers |
 Weldon Heyburn | Cast | Actor | Brooks |
 William Forrest | Cast | Actor | Prentiss |
 William Hopper | Cast | Actor | Travin |
 Willie Best | Cast | Actor | George |
Rolla Stewart | Cast | Ketti's Daughter | |
| Person | Type | Job | Role(s) |
