| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cedric Gibbons | Crew | Art | Art Direction |
 E.J. Mannix | Crew | Production | Executive Producer |
Hans Rameau | Crew | Writing | Screenplay |
Harold F. Kress | Crew | Editing | Editor |
 Herbert Stothart | Crew | Sound | Music |
 Irene | Crew | Costume & Make-Up | Costume Design, Costume Supervisor |
 Joseph Ruttenberg | Crew | Camera | Director of Photography |
 Mervyn LeRoy | Crew | Directing | Director |
 Paul Osborn | Crew | Writing | Screenplay |
 Sidney Franklin | Crew | Production | Producer |
Ève Curie | Crew | Writing | Writer |
 Al Ferguson | Cast | Actor | Man at Accident (uncredited) |
 Alan Napier | Cast | Actor | Dr. Bladh (uncredited) |
 Albert Bassermann | Cast | Actor | Professor Jean Perot |
 Almira Sessions | Cast | Actress | Madame Michaud (uncredited) |
 Arthur Shields | Cast | Actor | Businessman (uncredited) |
 C. Aubrey Smith | Cast | Actor | Lord Kelvin |
 Charles Trowbridge | Cast | Actor | Board Member (uncredited) |
Dickie Meyers | Cast | Master Michaud (uncredited) | |
Dorothy Raye | Cast | Nurse (uncredited) | |
 Edward Fielding | Cast | Actor | Board Member (uncredited) |
 Eustace Wyatt | Cast | Actor | Doctor (uncredited) |
 Francis Pierlot | Cast | Actor | Monsieur Michaud (uncredited) |
 Frederick Worlock | Cast | Actor | Businessman (uncredited) |
 Gene Lockhart | Cast | Actor | Bit Part (uncredited) |
