1993

… Writer

1991

… Screenplay

1987

… Writer

1984

… Story

1983

… Story

1978		Terror Out of the Sky … Writer
1978		The Bastard … Teleplay

1977		Tarantulas: The Deadly Cargo … Writer
1977		Ants … Writer
1977		SST: Death Flight … Story

1976		The Savage Bees … Writer
1976		The Last Hard Men … Writer

1973

… Writer

1972

… Writer

1971

… Writer

1970		The Sixth Column … Writer
1970		Sole Survivor … Writer

1968

… Story

1976

… Director

1973

… Director

1977

as Boy in Mask

1987

… Producer