| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bill Constable | Crew | Art | Art Direction |
Buster Ambler | Crew | Sound | Sound Recordist |
Elisabeth Lutyens | Crew | Sound | Original Music Composer |
 Freddie Francis | Crew | Directing | Director |
Henry Montsash | Crew | Costume & Make-Up | Hairdresser |
Jill Carpenter | Crew | Costume & Make-Up | Makeup Artist |
John Cox | Crew | Sound | Sound Supervisor |
John Wilcox | Crew | Camera | Director of Photography |
Kenneth Ryan | Crew | Art | Assistant Art Director |
Max Rosenberg | Crew | Production | Producer |
 Milton Subotsky | Crew | Writing | Screenplay, Producer |
Oswald Hafenrichter | Crew | Editing | Editor |
 Robert Bloch | Crew | Writing | Story |
Scott Slimon | Crew | Art | Set Decoration |
Ted Lloyd | Crew | Production | Production Manager |
Ted Samuels | Crew | Crew | Special Effects |
Tom Priestley | Crew | Sound | Sound Editor |
Philip Martell | Crew | Sound | Conductor |
Jackie Cummins | Crew | Costume & Make-Up | Wardrobe Supervisor |
 Anna Palk | Cast | Actress | Maid |
April Olrich | Cast | Actress | French Girl |
 Christopher Lee | Cast | Actor | Sir Matthew Phillips |
Frank Forsyth | Cast | Actor | Judge |
 Geoffrey Cheshire | Cast | Actor | Second Guard |
 George Coulouris | Cast | Actor | Dr. Londe |
 Harold Sanderson | Cast | Actor | Auction Bidder (uncredited) |
 Jill Bennett | Cast | Actress | Jane Maitland |
Maurice Good | Cast | Pierre, Phrenologist | |
 Michael Gough | Cast | Actor | Auctioneer |
 Nigel Green | Cast | Actor | Inspector Wilson |
 Patrick Magee | Cast | Actor | Police Surgeon |
 Patrick Wymark | Cast | Actor | Anthony Marco |
 Peter Cushing | Cast | Actor | Dr. Christopher Maitland |
 Peter Woodthorpe | Cast | Actor | Bert Travers, Marco's Landlord |
Jack Armstrong | Cast | Actor | Auction Bidder (uncredited) |
Paul Beradi | Cast | Actor | Auction Attendee (uncredited) |
George Hilsdon | Cast | Actor | Policeman |
Lewis Alexander | Cast | Auction Attendee (uncredited) | |
Ernest Blyth | Cast | Auction Attendee (uncredited) | |
Eric Kent | Cast | Actor | Auction Attendant (uncredited) |
Paul Stockman | Cast | Actor | First Guard |
Jack Silk | Cast | Actor | Driver |
Arthur Goodman | Cast | Auction Bidder (uncredited) | |
Aileen Lewis | Cast | Actress | Auction Attendee (uncredited) |
Joe Beckett | Cast | Auction Bidder (uncredited) | |
| Person | Type | Job | Role(s) |
