Spencer Tracy
Dr. Henry 'Harry' Jekyll / Mr. Hyde
Ingrid Bergman
Ivy Peterson
Lana Turner
Beatrix 'Bea' Emery
Donald Crisp
Sir Charles Emery
Ian Hunter
Dr. John Lanyon
Barton MacLane
Sam Higgins
C. Aubrey Smith
The Bishop
Peter Godfrey
Poole
Sara Allgood
Mrs. Higgins
Frederick Worlock
Dr. Heath
William Tannen
Intern Fenwick
Frances Robinson
Marcia
Denis Greene
Freddie
Billy Bevan
Mr. Weller
Forrester Harvey
Old Prouty
Lumsden Hare
Colonel Weymouth
Lawrence Grant
Dr. Courtland
John Barclay
Constable
Hillary Brooke
Mrs. Arnold (uncredited)
Alec Craig
Tripped Waiter (uncredited)
Brandon Hurst
Dr. Lanyon's Butler Briggs (uncredited)
Olaf Hytten
Hobson (uncredited)
Colin Kenny
Constable (uncredited)
Doris Lloyd
Mrs. Marley (uncredited)
Aubrey Mather
Inspector (uncredited)
Al Ferguson
Constable (uncredited)
Mary Field
Wife (uncredited)
Frank Hagney
Drunk (uncredited)
Martha Wentworth
Landlady (uncredited)
Bobby Hale
Cart Driver (uncredited)
