Anton Diffring

Dr. Georges Bonner

Hazel Court

Janine Dubois

Christopher Lee

Dr. Pierre Gerrard

Arnold Marlé

Prof. Ludwig Weiss

Delphi Lawrence

Margo Phillipe

Francis de Wolff

Insp. LeGris

Gerda Larsen

Street Girl

Middleton Woods

Little Man

Michael Ripper

Morgue Attendant

Denis Shaw

Tavern Customer

Marie Burke

Woman at Private View

Charles Lloyd Pack

Man at Private View

Bernard Robinson

Production Design

Roy Ashton

Makeup Artist

Jack Asher

Director of Photography

Barré Lyndon

Theatre Play

Jimmy Sangster

Screenplay

Michael Carreras

Producer

Terence Fisher

Director

Molly Arbuthnot

Costume Supervisor

Richard Rodney Bennett

Original Music Composer

John Dunsford

Editor

Henry Montsash

Hairstylist

Don Weeks

Production Manager

John Peverall

Assistant Director

Jock May

Sound Recordist

Len Harris

Camera Operator

James Needs

Supervising Editor

John Hollingsworth

Music Supervisor

Shirley Barnes

Continuity

Anthony Nelson Keys

Associate Producer