Elenco
Louis Hayward
Edward Jekyll / Dr. Henry Jekyll / Mr. Hyde
Jody Lawrance
Lynn Utterson
Alexander Knox
Dr. Curtis Lanyon
Lester Matthews
Sir John Utterson
Gavin Muir
Editor Richard Daniels
Paul Cavanagh
Inspector Stoddard
Rhys Williams
Michaels, Butler
Victor Adamson
Coachman (uncredited)
Patrick Aherne
Tenement Landlord (uncredited)
Matthew Boulton
Inspector Grey (uncredited)
Hamilton Camp
William Bennett (uncredited)
Claire Carleton
Hazel Sorelle (uncredited)
Patrick O'Moore
Joe Sorelle (uncredited)
Doris Lloyd
Lottie Sorelle (uncredited)
Wheaton Chambers
Magistrate (uncredited)
David Cole
Copy Boy (uncredited)
Alec Harford
Clerk (uncredited)
Robin Hughes
Alec (uncredited)
Olaf Hytten
Prosecutor (uncredited)
Joyce Jameson
Barmaid (uncredited)
Stapleton Kent
Mr. Arnim (Uncredited)
Bruce Lester
Daniels' Reporter (uncredited)
Leonard Mudie
Pharmacist (uncredited)
Vesey O'Davoren
Utterson's Butler (uncredited)
Harry Martin
Detective (uncredited)
Holmes Herbert
Constable (uncredited)
Leslie Denison
Constable (uncredited)
Keith Hitchcock
Constable (uncredited)
James Logan
Constable (uncredited)
Guy Kingsford
Nurse (uncredited)
Ottola Nesmith
Nurse (uncredited)
David Dunbar
Man in a Bar (uncredited)
Frank Hagney
Man in a Bar (uncredited)
Phyllis Morris
Tea Woman (uncredited)
Betty Fairfax
Woman in Window (uncredited)
Ida MacGill
Woman (uncredited)
Ola Lorraine
Woman (uncredited)
Carol Savage
Woman (uncredited)
Benita Booth
Woman (uncredited)
Equipe
Seymour Friedman
Director
Paul Sawtell
Original Music Composer
Henry Freulich
Director of Photography
Gene Havlick
Editor
James Nicholson
Assistant Director
Paul Baxley
Stunt Double
Paul Mertz
Original Music Composer
Jean Louis
Costume Design
Clay Campbell
Makeup Artist
Walter Holscher
Art Direction
William Kiernan
Set Decoration
Jack A. Goodrich
Sound Engineer
Morris Stoloff
Music Director
Helen Hunt
Hairstylist
Jack Pollexfen
Story
Mortimer Braus
Story