 Peter CushingDr. Christopher Maitland | Dr. Christopher Maitland |
 Christopher LeeSir Matthew Phillips | Sir Matthew Phillips |
 Patrick WymarkAnthony Marco | Anthony Marco |
 Jill BennettJane Maitland | Jane Maitland |
 Peter WoodthorpeBert Travers, Marco's Landlord | Bert Travers, Marco's Landlord |
 Nigel GreenInspector Wilson | Inspector Wilson |
| AApril OlrichFrench Girl | French Girl |
 George CoulourisDr. Londe | Dr. Londe |
| MMaurice GoodPierre, Phrenologist | Pierre, Phrenologist |
 Patrick MageePolice Surgeon | Police Surgeon |
 Frank ForsythJudge | Judge |
 Michael GoughAuctioneer | Auctioneer |
 Anna PalkMaid | Maid |
| PPaul StockmanFirst Guard | First Guard |
| GGeoffrey CheshireSecond Guard | Second Guard |
| GGeorge HilsdonPoliceman | Policeman |
| JJack SilkDriver | Driver |
| PPaul BeradiAuction Attendee (uncredited) | Auction Attendee (uncredited) |
| EErnest BlythAuction Attendee (uncredited) | Auction Attendee (uncredited) |
| EEric KentAuction Attendant (uncredited) | Auction Attendant (uncredited) |
| JJack ArmstrongAuction Bidder (uncredited) | Auction Bidder (uncredited) |
| AArthur GoodmanAuction Bidder (uncredited) | Auction Bidder (uncredited) |
| HHarold SandersonAuction Bidder (uncredited) | Auction Bidder (uncredited) |
