| Person | Type | Job | Role(s) |
|---|---|---|---|
 Abraham Grossman | Crew | Art | Art Direction |
Bernard B. Brown | Crew | Sound | Sound Director |
Bernard Schubert | Crew | Writing | Screenplay |
Fred R. Feitshans Jr. | Crew | Editing | Editor |
Harold Young | Crew | Directing | Director |
Harrison Carter | Crew | Writing | Story |
Henry Sucher | Crew | Writing | Story |
John B. Goodman | Crew | Art | Art Direction |
Luci Ward | Crew | Writing | Screenplay |
Paul Ivano | Crew | Camera | Director of Photography |
Ray Jeffers | Crew | Art | Set Decoration |
Russell A. Gausman | Crew | Art | Set Decoration |
Vera West | Crew | Costume & Make-Up | Costume Design |
Will Cowan | Crew | Production | Associate Producer |
William Hedgcock | Crew | Sound | Sound Engineer |
 Arthur Hohl | Cast | Actor | The Drunk in the Audience |
 Dennis Moore | Cast | Actor | Radio Announcer (uncredited) |
 Douglass Dumbrille | Cast | Actor | Inspector Brant |
 Elena Verdugo | Cast | Actress | Nina Coudreau |
 Evelyn Ankers | Cast | Actress | Maura Daniel |
 Leyland Hodgson | Cast | Actor | Doctor in audience (uncredited) |
 Lon Chaney Jr. | Cast | Actor | Alex Gregor, aka Gregor the Great |
 Martin Kosleck | Cast | Actor | Rudi |
 Milburn Stone | Cast | Actor | George Keene |
 Tala Birell | Cast | Actress | Mme. Monet |
| Person | Type | Job | Role(s) |
