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.
as Dr. Browning
as Fremont
as Major Heinrich Benedek
as Sylvia
as Detective Supt. Bellaver
as Keith
as Ludwig
as Schweitz
as Detective Inspector Phil Strickland
as Jane
as Dr. David Sorel
as Helen Bradford
as Detective Sgt. Jimmy Joyce
as Prof. Kingsmill
as Konratz
as Self - The Amen Corner
as Erika
as Detective Constable Griffin
as Ken Sparten
as Nurse
as Valerie
as Matron
as Alaia Stevens, First Victim
as Border Guard
as Doctor