Writing

1995

… Screenplay

1989

… Screenplay

1987

… Writer

1985

… Writer

1984

… Writer

1983		Escape from the Bronx … Screenplay
1983		The New Barbarians … Writer

1982

… Screenplay

1977

… Screenplay

1976		Keoma … Screenplay
1976		The Big Racket … Screenplay
1976		The Loves and Times of Scaramouche … Screenplay

1973

… Writer

1972		Father Jackleg … Screenplay … Story
1972		Hector the Mighty … Screenplay

1971

… Screenplay

1969

… Screenplay … Story

1968		Kill Them All and Come Back Alone … Screenplay … Story
1968		The Moment to Kill … Idea
1968		Johnny Hamlet … Screenplay

1967		Any Gun Can Play … Screenplay
1967		Payment in Blood … Screenplay