| Person | Type | Job | Role(s) |
|---|---|---|---|
 A. Earl Hedrick | Crew | Art | Art Direction |
 Alfred E. Green | Crew | Directing | Director, Producer |
C. Gardner Sullivan | Crew | Writing | Screenplay |
Charles Lang | Crew | Camera | Director of Photography |
Eddie Welch | Crew | Writing | Screenplay |
 Edith Head | Crew | Costume & Make-Up | Costume Design |
George M. Arthur | Crew | Production | Producer |
Gerard Carbonara | Crew | Sound | Music |
Hans Dreier | Crew | Art | Art Direction |
Leo Shuken | Crew | Sound | Music |
Nat Perrin | Crew | Writing | Screenplay |
Paul Weatherwax | Crew | Editing | Editor |
 S.S. Van Dine | Crew | Writing | Story |
William LeBaron | Crew | Production | Executive Producer |
 Addison Richards | Cast | Actor | Detective |
Al Shaw | Cast | Thug | |
 Ben Taggart | Cast | Actor | Policeman |
 Colin Kenny | Cast | Actor | Nightclub Patron |
 Don Brodie | Cast | Actor | Reporter #1 |
 Donald MacBride | Cast | Actor | Dist. Atty. John, Markham |
 Edgar Dearing | Cast | Actor | Motorcycle Officer Corrigan |
 Ellen Drew | Cast | Actress | Ann Wilson |
 Esther Howard | Cast | Actress | Florist |
 Florence Wix | Cast | Actress | Nightclub Patron |
Frank Meredith | Cast | Motorcycle Cop | |
George Hickman | Cast | Elevator Boy #1 | |
 Gracie Allen | Cast | Actress | Gracie Allen |
 H.B. Warner | Cast | Actor | Richard Lawrence |
 Harry Tenbrook | Cast | Actor | Harry |
 Harry Tyler | Cast | Actor | Police Photographer |
 Harry Wilson | Cast | Actor | Thug |
 Helen MacKellar | Cast | Actress | Secretary |
 Henry Roquemore | Cast | Actor | Hotel Guest |
 Horace McMahon | Cast | Actor | Gus |
 Irving Bacon | Cast | Actor | Hotel Clerk |
Jack Baxley | Cast | Actor | Reporter #2 |
James B. Carson | Cast | Hotel Manager | |
 James Flavin | Cast | Actor | Turnkey |
 Janet Waldo | Cast | Actress | Cigarette Girl |
 Jed Prouty | Cast | Actor | Uncle Ambrose |
 Jerome Cowan | Cast | Actor | Daniel Mirche |
Jim Kelso | Cast | Photographer | |
 Judith Barrett | Cast | Actress | Dixie Del Marr |
 Kent Taylor | Cast | Actor | Bill Brown |
 Lillian Yarbo | Cast | Actress | Maid |
Max Mellenger | Cast | Thug | |
 Max Wagner | Cast | Actor | Thug |
 Monte Collins | Cast | Actor | Picnic Master of Ceremonies |
Norman Phillips Jr. | Cast | Actor | Elevator Boy #3 |
 Oscar 'Dutch' Hendrian | Cast | Actor | Thug |
 Paul Newlan | Cast | Actor | Fred |
Phil Warren | Cast | Chauffeur | |
 Richard Denning | Cast | Actor | Fred |
Robert St. Angelo | Cast | Thug | |
Rube Demarest | Cast | Reporter | |
 Sam Harris | Cast | Actor | Nightclub Patron |
Ted Oliver | Cast | Motorcycle Cop | |
 Walter Soderling | Cast | Actor | Dr. Doremus |
 Warren William | Cast | Actor | Philo Vance |
 William Demarest | Cast | Actor | Police Sgt. Ernest Heath |
 William H. O'Brien | Cast | Actor | Nightclub Waiter |
 William Haade | Cast | Actor | Hotel Doorman |
 Willie Fung | Cast | Actor | Houseboy |
 Lee Moore | Cast | Actor | Benny 'The Buzzard' Nelson |
Sam Lee | Cast | Thug | |
| Person | Type | Job | Role(s) |
