| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cedric Gibbons | Crew | Art | Art Direction |
 Charles Lawton Jr. | Crew | Camera | Director of Photography |
 Douglas Shearer | Crew | Crew | Sound Recordist |
 Edwin B. Willis | Crew | Art | Set Decoration |
Fredrick Y. Smith | Crew | Editing | Editor |
 Harry Ruskin | Crew | Writing | Screenplay |
J.J. Cohn | Crew | Production | Producer |
 Jack Dawn | Crew | Costume & Make-Up | Makeup Artist |
 James Edward Grant | Crew | Writing | Screenplay |
Jerry Bresler | Crew | Production | Unit Manager |
Marion Parsonnet | Crew | Writing | Screenplay |
 Tod Browning | Crew | Directing | Director |
William Axt | Crew | Sound | Original Music Composer |
Clayton Rawson | Crew | Writing | Novel |
 Alphonse Martell | Cast | Actor | Nightclub Headwaiter |
Amelia Stone | Cast | Minor Role | |
 Armand Kaliz | Cast | Actor | François |
 Astrid Allwyn | Cast | Actress | Mrs. Zelma La Claire |
 Bert Stevens | Cast | Actor | Magic Show Audience Volunteer |
 Charles Lane | Cast | Actor | Fleetwood Apartments Desk Clerk |
 Chester Clute | Cast | Actor | Waiter with Sugar |
 Claire McDowell | Cast | Actress | Jack of Diamonds Woman |
 Cliff Clark | Cast | Inspector Marty Gavigan | |
 Cyril Ring | Cast | Actor | Numbers' Man |
 E. Alyn Warren | Cast | Actor | Dr. Hendricks - the Coroner |
 Eddie Acuff | Cast | Actor | Second Taxi Driver |
 Edward Earle | Cast | Actor | Ace of Spades Man |
Edward Kilroy | Cast | First Attendant | |
Field Norton | Cast | Mr. Hotchkinson | |
 Florence Rice | Cast | Actress | Judy Barclay |
Frances MacInerney | Cast | Magician's Assistant in Magic Show | |
 Frank Craven | Cast | Actor | Dad Morgan |
 Frank McLure | Cast | Actor | Magic Show Audience Volunteer |
 Frederick Worlock | Cast | Actor | Dr. Cesar Sabbatt |
 Gloria Holden | Cast | Actress | Madame Rapport |
 Harold Miller | Cast | Actor | Nightclub Patron |
 Harold Minjir | Cast | Actor | Tauro |
 Harry J. Vejar | Cast | Actor | Citizen Who Speaks No English |
 Harry Tyler | Cast | Actor | First Taxi Driver |
 Henry Hull | Cast | Actor | Dave Duvallo |
 Herbert Evans | Cast | Actor | Nightclub Patron |
 Jack W. Johnston | Cast | Actor | Magic Show Audience Volunteer |
 James C. Morton | Cast | Actor | Blackie the Electrician |
 John Davidson | Cast | Actor | Weird Voice (voice) |
 John Picorri | Cast | Actor | Colonel in Demo |
John Webb Dillion | Cast | Actor | Magic Show Audience Volunteer |
 Larry Steers | Cast | Actor | Nightclub Patron |
 Lee Bowman | Cast | Actor | La Claire |
 Manuel París | Cast | Actor | Sinister Man in Theatre Box |
Margaret Bert | Cast | Actress | Mary W. Hotchkinson |
 Matt McHugh | Cast | Actor | 'All Over Town' Bus Driver |
Monte Vandergrift | Cast | Police Officer Bergin | |
 Paul Sutton | Cast | Army Captain Robert Z. Storm | |
 Phillip Terry | Cast | Actor | Magic Show Master of Ceremonies |
 Ralph Brooks | Cast | Actor | Nightclub Patron |
 Richard Loo | Cast | Actor | Chinese Soldier in Demo |
 Robert Young | Cast | Actor | Michael Morgan |
 Roger Moore | Cast | Actor | Magic Show Audience Volunteer |
 Suzanne Kaaren | Cast | Actress | Magician's Assistant in Demo |
 Truman Bradley | Cast | Actor | Nightclub Master of Ceremonies |
 Walter Kingsford | Cast | Actor | Colonel Watrous |
 William Bailey | Cast | Actor | Spectator in Theatre Box |
 William Demarest | Cast | Actor | Quinn |
 William Tannen | Cast | Actor | Spectator in Theatre Box |
 Richard Neill | Cast | Actor | Magic Show Audience Volunteer |
| Person | Type | Job | Role(s) |
