| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adrian | Crew | Costume & Make-Up | Costume Design |
 Cedric Gibbons | Crew | Art | Art Direction |
 Daniele Amfitheatrof | Crew | Sound | Original Music Composer |
 Edwin B. Willis | Crew | Art | Set Decoration |
 Franz Waxman | Crew | Sound | Original Music Composer |
Harold F. Kress | Crew | Editing | Editor |
 Jack Dawn | Crew | Costume & Make-Up | Makeup Artist |
 John Lee Mahin | Crew | Writing | Screenplay |
 Joseph Ruttenberg | Crew | Camera | Director of Photography |
Mario Castelnuovo-Tedesco | Crew | Sound | Original Music Composer |
Percy Heath | Crew | Writing | Screenplay |
 Robert Louis Stevenson | Crew | Writing | Novel |
 Samuel Hoffenstein | Crew | Writing | Screenplay |
 Victor Fleming | Crew | Directing | Director |
 Victor Saville | Crew | Production | Producer |
Warren Newcombe | Crew | Crew | Special Effects |
Keith Weeks | Crew | Production | Unit Manager |
 Al Ferguson | Cast | Actor | Constable (uncredited) |
 Alec Craig | Cast | Actor | Tripped Waiter (uncredited) |
 Aubrey Mather | Cast | Actor | Inspector (uncredited) |
 Barton MacLane | Cast | Actor | Sam Higgins |
 Billy Bevan | Cast | Actor | Mr. Weller |
Bobby Hale | Cast | Actor | Cart Driver (uncredited) |
 Brandon Hurst | Cast | Actor | Dr. Lanyon's Butler Briggs (uncredited) |
 C. Aubrey Smith | Cast | Actor | The Bishop |
 Colin Kenny | Cast | Actor | Constable (uncredited) |
 Denis Greene | Cast | Freddie | |
 Donald Crisp | Cast | Actor | Sir Charles Emery |
 Doris Lloyd | Cast | Actress | Mrs. Marley (uncredited) |
 Forrester Harvey | Cast | Actor | Old Prouty |
 Frances Robinson | Cast | Actress | Marcia |
 Frank Hagney | Cast | Actor | Drunk (uncredited) |
 Frederick Worlock | Cast | Actor | Dr. Heath |
 Hillary Brooke | Cast | Actress | Mrs. Arnold (uncredited) |
 Ian Hunter | Cast | Actor | Dr. John Lanyon |
 Ingrid Bergman | Cast | Actress | Ivy Peterson |
 John Barclay | Cast | Actor | Constable |
 Lana Turner | Cast | Actress | Beatrix 'Bea' Emery |
 Lawrence Grant | Cast | Actor | Dr. Courtland |
 Lumsden Hare | Cast | Actor | Colonel Weymouth |
 Martha Wentworth | Cast | Actress | Landlady (uncredited) |
 Mary Field | Cast | Actress | Wife (uncredited) |
 Olaf Hytten | Cast | Actor | Hobson (uncredited) |
 Peter Godfrey | Cast | Actor | Poole |
 Sara Allgood | Cast | Actress | Mrs. Higgins |
 Spencer Tracy | Cast | Actor | Dr. Henry 'Harry' Jekyll / Mr. Hyde |
 William Tannen | Cast | Actor | Intern Fenwick |
| Person | Type | Job | Role(s) |
