Blood Suckers (1971) Full Cast & Crew

as Derek Longbow

as Dr. Holstrom

as Tony Seymore

as Dr. Walter Goodrich

as Bob Kirby

as Penelope

as Marc Honeydew

as Richard Fountain

as Colonel

as Chriseis

as Don's Wife

as Girl at Orgy (uncredited)

as Cheerful Lady at Party (uncredited)