
Plot
An occult investigator buys the 150-year-old skull of the Marquis de Sade, which turns out to be possessed by evil spirits.
Trailer
Cast

Peter Cushing
Dr. Christopher Maitland

Christopher Lee
Sir Matthew Phillips

Patrick Wymark
Anthony Marco

Jill Bennett
Jane Maitland

Peter Woodthorpe
Bert Travers, Marco's Landlord

Nigel Green
Inspector Wilson

April Olrich
French Girl

George Coulouris
Dr. Londe

Maurice Good
Pierre, Phrenologist

Patrick Magee
Police Surgeon

Frank Forsyth
Judge

Michael Gough
Auctioneer

Anna Palk
Maid

Paul Stockman
First Guard

Geoffrey Cheshire
Second Guard

George Hilsdon
Policeman

Jack Silk
Driver

Paul Beradi
Auction Attendee (uncredited)

Ernest Blyth
Auction Attendee (uncredited)

Aileen Lewis
Auction Attendee (uncredited)

Eric Kent
Auction Attendant (uncredited)

Jack Armstrong
Auction Bidder (uncredited)

Joe Beckett
Auction Bidder (uncredited)

Arthur Goodman
Auction Bidder (uncredited)

Harold Sanderson
Auction Bidder (uncredited)