| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Herman | Crew | Art | Art Direction |
Benjamin Stoloff | Crew | Directing | Director |
Bernard Newman | Crew | Costume & Make-Up | Costume Design |
Ernest Pagano | Crew | Production | Production Executive |
Gelett Burgess | Crew | Writing | Novel |
George Crone | Crew | Editing | Editor |
John E. Tribby | Crew | Sound | Sound Recordist |
Kenneth Holmes | Crew | Directing | Assistant Director |
 Nicholas Musuraca | Crew | Camera | Director of Photography |
 Roy Webb | Crew | Sound | Original Music Composer |
 Seton I. Miller | Crew | Writing | Screenplay |
 Van Nest Polglase | Crew | Art | Art Direction |
 Willis Goldbeck | Crew | Writing | Screenplay |
 Zion Myers | Crew | Production | Associate Producer |
Alberto Colombo | Crew | Sound | Music Director |
 Alan Hale | Cast | Actor | Inspector Florio |
 Arthur Hoyt | Cast | Actor | Mr. Pinkley (uncredited) |
 C. Montague Shaw | Cast | Actor | Richard Denning (uncredited) |
 Eric Blore | Cast | Actor | Edmund Fish |
 Erik Rhodes | Cast | Actor | Carlo Gheet |
 Erin O'Brien-Moore | Cast | Actress | Olga Konar |
Ernie Alexander | Cast | Actor | Hotel Messenger (uncredited) |
 Fern Emmett | Cast | Actress | Housekeeper (uncredited) |
 Frank Mayo | Cast | Actor | Hotel Desk Clerk (uncredited) |
 Gail Patrick | Cast | Actress | Irene Lassiter |
 Gaston Glass | Cast | Actor | Hotel Waiter (uncredited) |
 Harry Bowen | Cast | Actor | Taxi Driver (uncredited) |
 Hector V. Sarno | Cast | Actor | Diner Proprietor (uncredited) |
 J. Carrol Naish | Cast | Actor | Burt Mansfield |
 Jack Randall | Cast | Actor | Duke Reed |
 James Conaty | Cast | Actor | Hotel Dining Room Guest (uncredited) |
 Leslie Fenton | Cast | Actor | Stuart Eldredge |
 Margot Grahame | Cast | Actress | Marie Smith |
 Nora Cecil | Cast | Actress | Mrs. Potter, Landlady (uncredited) |
 Pierre Watkin | Cast | Actor | City Editor (uncredited) |
 Russell Hicks | Cast | Actor | Police Officer McCord (uncredited) |
 Thelma White | Cast | Actress | Dolly (uncredited) |
 Tom McGuire | Cast | Actor | Hotel Doorman (uncredited) |
 Wallace Ford | Cast | Actor | Harry Hilyer |
 Walter Abel | Cast | Actor | Ford Adams |
 Ward Bond | Cast | Actor | Policeman (uncredited) |
Richard Howard | Cast | Police Officer O'Brien (uncredited) | |
| Person | Type | Job | Role(s) |
