| Person | Type | Job | Role(s) |
|---|---|---|---|
 Charles Nelson | Crew | Editing | Editor |
Jack Henley | Crew | Writing | Screenplay |
Joseph Kish | Crew | Art | Interior Designer |
Joseph Walker | Crew | Camera | Director of Photography |
Lambert E. Day | Crew | Sound | Sound Engineer |
Lionel Banks | Crew | Art | Art Direction |
 Morris Stoloff | Crew | Sound | Music Director |
Richard Flournoy | Crew | Writing | Screenplay |
 Richard Wallace | Crew | Directing | Director |
Robert Peterson | Crew | Art | Art Direction |
Samuel Bischoff | Crew | Production | Producer |
 Sidney Cutner | Crew | Sound | Orchestrator |
Werner R. Heymann | Crew | Sound | Original Music Composer |
William Mull | Crew | Directing | Assistant Director |
Kelley Roos | Crew | Writing | Story |
 Blanche Yurka | Cast | Actress | Mrs. Salter |
 Brian Aherne | Cast | Actor | Jeff Troy / Jeff Yort |
 Cosmo Sardo | Cast | Actor | Restaurant Patron |
 Cy Kendall | Cast | Actor | Louis Kauffman |
 Cyril Ring | Cast | Actor | Restaurant Patron |
 Don Costello | Cast | Actor | Eddie Turner |
 Donald MacBride | Cast | Actor | Bolling |
 Douglas Leavitt | Cast | Actor | Coal Man |
 Eddie Dunn | Cast | Actor | Matthews |
 Frank Baker | Cast | Actor | Minor Role |
 Gale Sondergaard | Cast | Actress | Mrs. Devoe |
 Garry Owen | Cast | Actor | Mailman |
 George Chandler | Cast | Actor | Taxi Driver |
 George Lloyd | Cast | Actor | Electrician |
 George Pembroke | Cast | Actor | Fingerprint Man |
 Grace Hayle | Cast | Actress | Irate Tenant at Bruhl's Address |
 Harry Harvey | Cast | Actor | Taxi Driver |
 Harry Tyler | Cast | Actor | Postal Clerk |
 James Burke | Cast | Actor | Pat Murphy |
 Jeff Donnell | Cast | Actress | Anne Stafford Carstairs |
Jimmie Fox | Cast | Chuck, Second Mover | |
 Joe McGuinn | Cast | Policeman | |
Joe Palma | Cast | Actor | Shadowy Figure |
 John Dilson | Cast | Actor | Medical Examiner |
 John Tyrrell | Cast | Actor | Martin, Headwaiter |
 Lee Patrick | Cast | Actress | Polly Franklin |
 Loretta Young | Cast | Actress | Nancy Troy |
 Max Wagner | Cast | Actor | Policeman Temple |
 Norman Willis | Cast | Actor | Policeman |
Paul Power | Cast | Actor | Minor Role |
 Ralph Dunn | Cast | Actor | Henderson |
 Ralph Peters | Cast | Actor | Taxi Driver |
 Richard Gaines | Cast | Actor | Lingle |
 Sidney Toler | Cast | Actor | Inspector Hankins |
 Victor Travis | Cast | Actor | Bald-Headed Man |
 William Benedict | Cast | Actor | Messenger Boy |
 William Newell | Cast | Actor | Police Photographer |
 William Wright | Cast | Actor | Scott Carstairs |
Ralph Curly | Cast | Detective | |
| Person | Type | Job | Role(s) |
