Obsada:

• Spencer Tracy Dr. Henry Jekyll / Mr. Hyde
• Ingrid Bergman Ivy Peterson
• Lana Turner Beatrix Emery
• Donald Crisp Sir Charles Emery
• Ian Hunter Dr. John Lanyon
• Barton MacLane Sam Higgins
• C. Aubrey Smith Bishop Manners
• Peter Godfrey Jekyll's Butler Poole
• Sara Allgood Mrs. Higgins
• Frederick Worlock Dr. Heath
• William Tannen Intern Fenwick
• Frances Robinson Marcia
• Denis Green Freddie
• Billy Bevan Mr. Weller
• Forrester Harvey Old Prouty
• Lumsden Hare Colonel Weymouth
• Lawrence Grant Dr. Courtland
• John Barclay Constable at Church
• Rudolph Andrean Art Student
• Jimmy Aubrey Hanger-On
• Vangie Beilby Spinster in Art Museum
• Lydia Bilbrook Lady Copewell
• Hillary Brooke Mrs. Arnold
• Rita Carlyle Minor Role
• Herbert Clifton Hostler
• Alec Craig Tripped Waiter
• David Dunbar Footman
• Al Ferguson Constable
• Mary Field Wife
• Gwen Gaze Mrs. French
• Douglas Gordon Cockney
• Eldon Gorst Messenger
• Frank Hagney Drunk
• Bobby Hale Cart Driver
• Stuart Hall Minor Role
• Winifred Harris Mrs. Weymouth
• Harold Howard Blind Man
• Brandon Hurst Lanyon's Butler Briggs
• Olaf Hytten Hobson
• P.J. Kelly Minor Role
• Colin Kenny Constable
• Claude King Uncle Geoffrey
• Susanne Leach Dowager in Church
• Doris Lloyd Mrs. Marley
• Gwendolyn Logan Mrs. Courtland
• Eric Lonsdale Husband
• Frances MacInerney Young Woman
• Aubrey Mather Inspector
• Cyril McLaglen Drunk
• Alice Mock Soloist in 'See Me Dance the Polka' Number
• Pat Moriarity Drunk
• Lionel Pape Mr. Marley
• Milton Parsons Choir Master
• John Power Constable
• Clara Reid Old Woman in Art Museum
• Patsy Shaw Specialty Dancer
• Yorke Sherwood Chairman
• James P. Spencer Young Man
• Jack Stewart Constable
• Jacques Vanaire French Attendant
• Pax Walker Minor Role
• Martha Wentworth Landlady
• C.M. 'Slats' Wyrick Thug