Jerry Warren Director, Screenwriter, Producer Robert Clarke Dr. Paul Hadley Actor Steve Brodie Jocko Actor Cameron Mitchell Clay Jayson Actor Robert Christopher Mark Eden Actor, Producer Tain Bodkin Curtis Ryan Actor Patrick O'Neil Dino Actor Andrew Duggan The Colonel Actor John Carradine Dr. Frankenstein Actor Katherine Victor Sheila Frankenstein von Helsing Actor George Mitchell Dr. von Helsing Actor Murray De Atley Cinematographer