| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert S. D'Agostino | Crew | Art | Art Direction |
 Arnaud d'Usseau | Crew | Writing | Screenplay |
Cliff Reid | Crew | Production | Producer |
Doran Cox | Crew | Directing | Assistant Director |
Frank Woodruff | Crew | Directing | Director |
Harry Marker | Crew | Editing | Editor |
John L. Cass | Crew | Sound | Sound Recordist |
 Nicholas Musuraca | Crew | Camera | Director of Photography |
 Renié | Crew | Costume & Make-Up | Costume Design |
 Richard Collins | Crew | Writing | Screenplay |
 Van Nest Polglase | Crew | Art | Art Direction |
 Andrew Tombes | Cast | Actor | Art Seidel, Hotel Detective |
 Arthur Shields | Cast | Actor | Matt Willis |
Bert Howard | Cast | Mr. Tuckerman | |
 Charles Halton | Cast | Actor | Mr. Pinchback |
 Claire McDowell | Cast | Actress | Mrs. Tuckerman |
Dale Armstrong | Cast | Police Radio Announcer | |
 Damian O'Flynn | Cast | Actor | Lieutenant Onslow |
 Dennis O'Keefe | Cast | Actor | Lieutenant Bill Mason |
 Douglas Spencer | Cast | Actor | Police Secretary |
 Eddie Conrad | Cast | Actor | Room Service Waiter |
 Eric Blore | Cast | Actor | Mr. Hartford |
 Frances E. Neal | Cast | Actress | Ann Rogers |
 Frank O'Connor | Cast | Actor | Detective Frank |
George Noisom | Cast | Actor | Bellhop #1 |
 Harry Burns | Cast | Actor | Big 'Sem' Semenoff |
 Harry Humphrey | Cast | Actor | Tied-Up Watchman |
 Horace McMahon | Cast | Actor | Mullen |
 Huntley Gordon | Cast | Actor | James A. Pierce |
 Judith Anderson | Cast | Actress | Slade |
 Kernan Cripps | Cast | Actor | Joe, Police Clerk |
 Lee Bonnell | Cast | George Atkins | |
 Marc Lawrence | Cast | Actor | Lefty Landers |
 Marion Martin | Cast | Actress | Ruby / Mary Jordan |
 Mildred Coles | Cast | Actress | Mary Jordan Powell |
 Rand Brooks | Cast | Actor | James 'Jimmy' Powell |
 Robert Middlemass | Cast | Actor | Police Captain Lovell |
Ruth Dietrich | Cast | Pinchback's Secretary | |
 Stanley Andrews | Cast | Actor | Police Captain L. Andrews |
Joey Ray | Cast | Actor | Mr. Barlowe |
Paul Le Pere | Cast | Bellhop #2 | |
Ross Forrester | Cast | Messenger with Package | |
| Person | Type | Job | Role(s) |
