A serial killer who drains his victims for blood is on the loose and London police follow him to a house owned by an eccentric scientist.
Gordon Hessler | Director |
Christopher Wicking | Screenplay |
Peter Saxon | Novel |
John Coquillon | Director of Photography |
Bill Constable | Production Design |
Betty Sherriff | Hairstylist |
Jimmy Evans | Makeup Artist |
Peter Elliott | Editor |
Don Mingaye | Art Direction |
David Whitaker | Music |