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