
In foggy London Dr Jekyll experiments on newly deceased women determined to discover an elixir for immortal life. Success enables his spectacular transformation into the beautiful but psychotic Sister Hyde who stalks the dark alleys of Whitechapel for young, innocent, female victims, ensuring continuation of the bloodstained research. With each transformation Sister Hyde becomes the more dominant personality, determined to eventually suppress the frail, ineffectual Dr Jekyll forever.
Genres:

Ralph Bates as Dr. Jekyll

Martine Beswick as Sister Hyde

Gerald Sim as Professor Robertson

Lewis Fiander as Howard

Susan Brodrick as Susan

Dorothy Alison as Mrs. Spencer

Ivor Dean as Burke

Philip Madoc as Byker

Irene Bradshaw as Yvonne

Neil Wilson as Older Policeman

Paul Whitsun-Jones as Sergeant Danvers

Tony Calvin as Hare

Dan Meaden as Town Crier

Virginia Wetherell as Betsy

Geoffrey Kenion as 1st Policeman

Bobby Parr as Young Apprentice

John Lyons as Sailor
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