Writing

1980

… Screenplay

1979

… Screenplay

1978

… Screenplay

1977

… Screenplay

1974

… Writer

1967

… Story

Production

1977

… Producer

1975

… Producer

1974

… Producer

1972		Frogs … Producer
1972		Outside In … Producer

1971

… Producer

1970

… Producer

1967

… Producer

1966		The Navy vs. the Night Monsters … Producer
1966		Women of the Prehistoric Planet … Producer
1966		Queen of Blood … Producer

1965

… Producer

Directing

1980

… Director