| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bronislau Kaper | Crew | Sound | Music, Original Music Composer |
 Cedric Gibbons | Crew | Art | Art Direction |
 Daniele Amfitheatrof | Crew | Sound | Music |
 Douglas Shearer | Crew | Sound | Recording Supervision |
Edward Childs Carpenter | Crew | Writing | Theatre Play |
Edward Ward | Crew | Sound | Music |
 Edwin B. Willis | Crew | Art | Set Decoration |
 Franz Waxman | Crew | Sound | Music |
Gabriel Scognamillo | Crew | Art | Art Direction |
George Haight | Crew | Production | Producer |
Gil Perkins | Crew | Crew | Stunts |
Harry Clork | Crew | Writing | Screenplay |
Laurence Gross | Crew | Writing | Theatre Play |
Paul Marquardt | Crew | Sound | Orchestrator |
Robert Kalloch | Crew | Costume & Make-Up | Costume Design |
Robert MacGunigle | Crew | Writing | Screenplay |
 S. Sylvan Simon | Crew | Directing | Director |
Sidney Wagner | Crew | Camera | Director of Photography |
Werner R. Heymann | Crew | Sound | Music |
Albert Mannheimer | Crew | Writing | Screenplay |
 Al Hill | Cast | Actor | Flintwood Policeman (uncredited) |
 Ann Rutherford | Cast | Actress | Carol Lambert |
 Barbara Bedford | Cast | Actress | Cult Members / Telephone Operator (uncredited) |
 Billy Bletcher | Cast | Actor | Radio Effects Man (uncredited) |
Brick Sullivan | Cast | Actor | Flintwood Policeman (uncredited) |
 Conrad Veidt | Cast | Actor | Joseph Jones |
 Don Costello | Cast | Actor | 'Noose' Green |
 Donald Douglas | Cast | Actor | Deputy Commissioner O'Neill |
 Dorothy Adams | Cast | Actress | Mrs. Farrell (uncredited) |
 Dorothy Morris | Cast | Actress | Telephone Operator (uncredited) |
 Emmett Vogan | Cast | Actor | Show Producer (uncredited) |
 Eve Arden | Cast | Actress | 'Buzz' Baker |
 George M. Carleton | Cast | Actor | Deputy Commissioner O'Neill |
 Henry O'Neill | Cast | Actor | Philip Post |
 Joe Devlin | Cast | Actor | Taxi Driver (uncredited) |
 John Dilson | Cast | Actor | Hugo in Show (uncredited) |
Ken Christy | Cast | Actor | Inspector Rogers in Show (uncredited) |
 Leon Tyler | Cast | Actor | Gerald (uncredited) |
 Lloyd Corrigan | Cast | Actor | Harvey Upshaw |
Mariska Aldrich | Cast | Actress | Hilda |
 Paul Stanton | Cast | Actor | Jennings |
 Rags Ragland | Cast | Actor | Sylvester |
 Red Skelton | Cast | Actor | Wally Benton |
 Reed Hadley | Cast | Actor | Beau Smith |
 Robert Homans | Cast | Actor | Flintwood Policeman (uncredited) |
Ronald R. Rondell | Cast | Actor | Waiter (uncredited) |
Ruth Robinson | Cast | Actress | Mrs. Robinson |
 Virginia Grey | Cast | Actress | 'Fran' Post |
 Will Lee | Cast | Actor | Herman the Druggist |
 William Tannen | Cast | Actor | Robert Graves |
| Person | Type | Job | Role(s) |
