| Person | Type | Job | Role(s) |
|---|---|---|---|
 Abe Haberman | Crew | Costume & Make-Up | Makeup Artist |
Bernard Herzbrun | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Department Head |
 Charles Lamont | Crew | Directing | Director |
Eric Orbom | Crew | Art | Art Direction |
George Robinson | Crew | Camera | Director of Photography |
Grant Garett | Crew | Writing | Story |
Howard Christie | Crew | Production | Producer |
Jack Kevan | Crew | Costume & Make-Up | Makeup Artist |
Joan St. Oegger | Crew | Costume & Make-Up | Hairstylist |
John Grant | Crew | Writing | Screenplay |
Lee Loeb | Crew | Writing | Screenplay |
Ray Romero | Crew | Costume & Make-Up | Makeup Artist |
 Robert Louis Stevenson | Crew | Writing | Novel |
Rosemary Odell | Crew | Costume & Make-Up | Costume Design |
Russell A. Gausman | Crew | Art | Set Decoration |
Russell F. Schoengarth | Crew | Editing | Editor |
 Sid Fields | Crew | Writing | Story |
 Boris Karloff | Cast | Actor | Dr. Henry Jekyll / Mr. Hyde |
 Bud Abbott | Cast | Actor | Slim |
Carmen De Lavallade | Cast | Actress | Javanese dancer |
 Craig Stevens | Cast | Actor | Bruce Adams |
 Eddie Parker | Cast | Actor | Mr. Hyde (uncredited) |
 Harry Cording | Cast | Actor | Rough Character in the Park |
 Harry Wilson | Cast | Actor | Man Asking for Match |
 Helen Westcott | Cast | Actress | Vicky Edwards |
James Fairfax | Cast | Actor | Mr. Penprase |
 John Dierkes | Cast | Actor | Batley |
 Lou Costello | Cast | Actor | Tubby |
 Marjorie Bennett | Cast | Actress | Militant woman |
 Reginald Denny | Cast | Actor | Inspector |
Patti McKaye | Cast | Can-can dancer | |
Isabelle Dwan | Cast | Actress | Mrs. Penprase |
Betty Tyler | Cast | Can-can dancer | |
Lucille Lamarr | Cast | Can-can dancer | |
Dante De Paolo | Cast | Specialty dancer | |
Maisay Kawasuma | Cast | Javanese dancer | |
Henry Coden | Cast | Javanese actor | |
| Person | Type | Job | Role(s) |
