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
Lewis Alexander
Auction Attendee (uncredited)
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)