Robert Christopher

as Mark Eden

as Television Director (uncredited)

as Ralph Ames (uncredited)

as Det. Lt. Ed Jamieson

as Guard

as Whorf

as Dave Prince

as Dr. Bromfield

as Townsman (uncredited)

as Capt. Herndon

as Bill

as Reporter (uncredited)

as Lennie Owens

as Joe

as Henchman Ernie

as Tony Lugacetti