Overview
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.
Cast & Crew
Director: Gordon Hessler
Cast: Vincent Price, Christopher Lee, Peter Cushing, Judy Huxtable, Alfred Marks, Michael Gothard, Anthony Newlands, Peter Sallis, David Lodge, Uta Levka, Christopher Matthews, Judy Bloom
