Elenco
Ralph Bates
Dr. Jekyll
Martine Beswick
Sister Hyde
Gerald Sim
Professor Robertson
Lewis Fiander
Howard
Susan Brodrick
Susan
Dorothy Alison
Mrs. Spencer
Ivor Dean
Burke
Philip Madoc
Byker
Irene Bradshaw
Yvonne
Neil Wilson
Older Policeman
Paul Whitsun-Jones
Sergeant Danvers
Tony Calvin
Hare
Dan Meaden
Town Crier
Virginia Wetherell
Betsy
Geoffrey Kenion
1st Policeman
Bobby Parr
Young Apprentice
John Lyons
Sailor
Equipe
Roy Ward Baker
Director
John Wilcox
Makeup Artist
Bill Rowe
Sound
Rosemary Burrows
Wardrobe Supervisor
Brian Clemens
Screenplay
Robert Louis Stevenson
Novel
Brian Clemens
Producer
Albert Fennell
Producer
David Whitaker
Original Music Composer
Norman Warwick
Director of Photography
James Needs
Editor
James Liggat
Casting
Rosemary Burrows
Costume Design
Trevor Crole-Rees
Makeup Artist
Bernadette Ibbetson
Hairstylist
Roy Skeggs
Production Supervisor
Don Weeks
Production Manager
Robert Jones
Production Design
Philip Martell
Music Supervisor
Godfrey A. Godar
Camera Operator
Charles Crafford
Sound Editor