"An occult investigator buys the 150-year-old skull of the Marquis de Sade, which turns out to be possessed by evil spirits."
Peter Cushing
as Dr. Christopher Maitland
Christopher Lee
as Sir Matthew Phillips
Patrick Wymark
as Anthony Marco
Jill Bennett
as Jane Maitland
Peter Woodthorpe
as Bert Travers, Marco's Landlord
Nigel Green
as Inspector Wilson
April Olrich
as French Girl
George Coulouris
as Dr. Londe
Maurice Good
as Pierre, Phrenologist
Patrick Magee
as Police Surgeon
Frank Forsyth
as Judge
Michael Gough
as Auctioneer
Anna Palk
as Maid
Paul Stockman
as First Guard
Geoffrey Cheshire
as Second Guard
George Hilsdon
as Policeman
Jack Silk
as Driver
Paul Beradi
as Auction Attendee (uncredited)
Ernest Blyth
Aileen Lewis
Eric Kent
as Auction Attendant (uncredited)
Jack Armstrong
as Auction Bidder (uncredited)
Joe Beckett
Arthur Goodman
Harold Sanderson
Kenneth Ryan
Assistant Art Director
Buster Ambler
Sound Recordist
John Cox
Sound Supervisor
Jackie Cummins
Wardrobe Supervisor
Tom Priestley
Sound Editor
Henry Montsash
Hairdresser
Philip Martell
Conductor
Jill Carpenter
Makeup Artist
Ted Samuels
Special Effects
Ted Lloyd
Production Manager
Freddie Francis
Director
Robert Bloch
Story
Milton Subotsky
Screenplay
Scott Slimon
Set Decoration
Oswald Hafenrichter
Editor
Elisabeth Lutyens
Original Music Composer
Bill Constable
Art Direction
Producer
Max Rosenberg
John Wilcox
Director of Photography
Writer