Writing

1982

… Writer

1979

… Writer

1976		Richie Brockelman: The Missing 24 Hours … Writer
1976		Riding with Death … Writer

1975

… Writer

1973

… Teleplay

1972		Lieutenant Schuster's Wife … Writer
1972		Silent Running … Screenplay

1968

… Writer

Production

2006

… Executive Producer

1979

… Executive Producer

1978

… Producer

1976

… Executive Producer

1972

… Producer

Acting

2017

as Self

2007

as Self

2006

as Self

1992

as Self