Writing

1991

… Writer

1990		Panama Sugar … Screenplay
1990		The Last Match … Writer

1989

… Screenplay

1988		Cobra Mission 2 … Writer
1988		Phantom of Death … Screenplay

1986

… Writer

1985		Miami Golem … Screenplay
1985		Formula for a Murder … Writer

1984

… Story … Screenplay

1983

… Screenplay

1982		I camionisti … Writer
1982		The New York Ripper … Story … Screenplay
1982		Desirable Teacher 2 … Screenplay … Story

1981		Desirable Teacher … Screenplay … Story
1981		The Last Shark … Screenplay

1980

… Writer

1979		I'm for the Hippopotamus … Screenplay
1979		Hunted City … Story
1979		From Corleone to Brooklyn … Screenplay

1977

… Screenplay

1976		A Special Cop in Action … Story … Screenplay
1976		Violent Naples … Screenplay … Story
1976		Rome, the Other Face of Violence … Story … Screenplay
1976		Shadows in an Empty Room … Screenplay

1975		Hallucination Strip … Screenplay
1975		Syndicate Sadists … Story … Screenplay
1975		Violent Rome … Screenplay … Story

1974		Five Women for the Killer … Screenplay
1974		The Antichrist … Writer

1973		Counselor at Crime … Screenplay
1973		High Crime … Writer

1972

… Writer

1971

… Writer

1969		Eagles Over London … Screenplay … Story
1969		Carnal Circuit … Screenplay … Story

1967		Spy Pit … Screenplay
1967		Dirty Heroes … Writer
1967		Argoman the Fantastic Superman … Writer

1966

… Screenplay

1965

… Screenplay

1964

… Writer

Production

1988

… Producer