1981Evil Stalks This HouseMovieWriter
1979Legends of the Super HeroesMovieExecutive In Charge Of Production
1977The GatheringMovieExecutive In Charge Of Production
1972Dr. Phibes Rises AgainMovieProducer
1972Whoever Slew Auntie Roo?MovieExecutive Producer
1971Dagmar's Hot Pants, Inc.MovieWriter
1971Murders in the Rue MorgueMovieProducer
1971The Abominable Dr. PhibesMovieProducer
1970Cry of the BansheeMovieProducer · Executive Producer
1970Wuthering HeightsMovieExecutive Producer
1969De SadeMovieExecutive Producer
1969The Oblong BoxMovieExecutive Producer
1969The Girl from RioMovieCo-Producer
1968Curse of the Crimson AltarMovieProducer
1968Witchfinder GeneralMovieProducer · Additional Writing
1967House of 1,000 DollsMovieExecutive Producer
1966Dr. Goldfoot and the Girl BombsMovieas American General (uncredited) · Producer · Screenplay
1966The Ghost in the Invisible BikiniMovieScreenplay · Story
1965The Wild Weird World of Dr. GoldfootMovieProducer
1965Spy in Your EyeMovieWriter · Executive Producer