Smith
Peter Cushing
Dr. Lionel Rutherford
Patrick Magee
George
James Villiers
Max Reynolds
Geoffrey Bayldon
Anna
Ann Firbank
Nurse Higgins
Megs Jenkins
Mr. Stebbins
John Franklyn-Robbins
Byron
Herbert Lom
Lucy
Britt Ekland
Bruno
Barry Morse
Barbara
Charlotte Rampling
Bonnie
Barbara Parkins
Dr. Martin
Robert Powell
Ruth
Sylvia Syms
Walter
Richard Todd
Story
Robert Bloch
Writer
Producer
Milton Subotsky
Director
Roy Ward Baker
Original Music Composer
Douglas Gamley
Director of Photography
Denys N. Coop
Sound Mixer
Norman Bolland
Art Direction
Tony Curtis
Hairdresser
Joan Carpenter
Casting
Ronnie Curtis
Sound Editor
Clive Smith
Executive Producer
Gustave M. Berne
Makeup Artist
Roy Ashton
Editor
Peter Tanner
Max Rosenberg