| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cedric Gibbons | Crew | Art | Art Direction |
 Dolly Tree | Crew | Costume & Make-Up | Wardrobe Designer |
 Douglas Shearer | Crew | Sound | Sound Director |
 Edwin B. Willis | Crew | Art | Art Department Assistant |
Frank E. Hull | Crew | Editing | Editor |
 Franz Waxman | Crew | Sound | Music |
George Oppenheimer | Crew | Writing | Screenplay |
 George Seaton | Crew | Writing | Screenplay, Story |
 Irving Thalberg | Crew | Production | Producer |
 Joseph Ruttenberg | Crew | Camera | Director of Photography |
Lawrence Weingarten | Crew | Production | Producer |
Leonard Smith | Crew | Camera | Director of Photography |
Robert A. Golden | Crew | Directing | Assistant Director |
Robert Pirosh | Crew | Writing | Screenplay, Story |
 Sam Wood | Crew | Directing | Director, Producer |
 Allan Jones | Cast | Actor | Gil Stewart |
 Bert Moorhouse | Cast | Actor | Racetrack Spectator (uncredited) |
 Bess Flowers | Cast | Actress | Racetrack Spectator (uncredited) |
 Byron Foulger | Cast | Actor | Racetrack Spectator (uncredited) |
 Carole Landis | Cast | Actress | Party Guest (uncredited) |
 Chico Marx | Cast | Actor | Tony |
 Dorothy Dandridge | Cast | Actress | Singer (uncredited) |
 Douglass Dumbrille | Cast | Actor | Morgan |
 Esther Muir | Cast | Actress | 'Flo' Marlowe |
 Etta Moten | Cast | Actress | Black Singer (uncredited) |
 Frank O'Connor | Cast | Actor | Racetrack Guard (uncredited) |
 Gino Corrado | Cast | Actor | Man Boarding Bus (uncredited) |
 Groucho Marx | Cast | Actor | Dr. Hugo Z. Hackenbush |
 Harpo Marx | Cast | Actor | Stuffy |
Ivie Anderson | Cast | Actress | Specialty Singer |
 Leonard Ceeley | Cast | Actor | Whitmore |
 Margaret Dumont | Cast | Actress | Emily Upjohn |
 Maureen O'Sullivan | Cast | Actress | Judy Standish |
 Robert Middlemass | Cast | Actor | Sheriff |
 Sig Ruman | Cast | Actor | Dr. Leopold X. Steinberg |
 Vivien Fay | Cast | Specialty Dancer | |
| Person | Type | Job | Role(s) |
