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.
Not streaming on a subscription service in the US right now.
Starring Paul Massie, Dawn Addams, Christopher Lee, David Kossoff, Norma Marla, Francis de Wolff, Joy Webster, Magda Miller, Oliver Reed, Helen Goss