After a series of scientific experiments directed towards freeing the inner man and controlling human personalities, the kindly, generous Dr Henry Jekyll succeeds in freeing his own alter ego, Edward Hyde, a sadistic, evil creature whose pleasure is murder.
Paul Massie
Dr. Jekyll / Mr. Hyde
Dawn Addams
Kitty Jekyll
Christopher Lee
Paul Allen
David Kossoff
Dr. Littauer
Norma Marla
Maria
Francis de Wolff
Inspector
Joy Webster
Jenny
Magda Miller
Sphinx Girl (uncredited)
