Writing

1997

… Screenplay … Story

1991		Door to Silence … Writer
1991		Voices from Beyond … Story … Screenplay

1990		Demonia … Story … Screenplay
1990		A Cat in the Brain … Screenplay … Story

1989		The House of Clocks … Story
1989		The Sweet House of Horrors … Story

1988		Sodoma's Ghost … Screenplay
1988		Touch of Death … Screenplay … Story

1987

… Screenplay

1986

… Story … Screenplay

1985

… Screenplay

1984		Murder-Rock: Dancing Death … Story … Screenplay
1984		Warriors of the Year 2072 … Screenplay

1982

… Story … Screenplay

1981		The House by the Cemetery … Screenplay
1981		The Beyond … Screenplay
1981		The Black Cat … Screenplay

1980		City of the Living Dead … Screenplay … Story
1980		Contraband … Writer

1977

… Story … Screenplay

1974

… Screenplay

1972		Don't Torture a Duckling … Screenplay … Story
1972		The Eroticist … Screenplay … Story
1972		Hector the Mighty … Screenplay

1971

… Screenplay … Story

1969		The Conspiracy of Torture … Screenplay … Story
1969		One on Top of the Other … Screenplay … Story
1969		Double Face … Story

1968

… Screenplay

1967		Operation San Pietro … Screenplay … Story
1967		The Man Who Killed Billy the Kid … Writer

1966

… Screenplay

1964		Two Public Enemies … Story … Screenplay
1964		Oh! Those Most Secret Agents … Screenplay
1964		Two Escape from Sing Sing … Screenplay
1964		The Maniacs … Screenplay

1963		The Swindlers … Screenplay … Story
1963		The Strange Type … Screenplay

1962

… Screenplay

1961

… Story

1960		Letto a tre piazze … Co-Writer … Story
1960		Howlers of the Dock … Screenplay … Story

1959		The Jukebox Kids … Screenplay … Story
1959		The Thieves … Story … Screenplay

1958		Totò nella Luna … Story
1958		Maid, Thief and Guard … Screenplay

1955		La ragazza di Via Veneto … Screenplay
1955		Piccola posta … Story … Screenplay
1955		Totò all'inferno … Screenplay

1954		Sins of Casanova … Story … Screenplay
1954		Io sono la Primula Rossa … Screenplay
1954		An American in Rome … Story … Screenplay
1954		A Day in Court … Story … Screenplay … Idea

1953		I'll See You on the Balcony … Screenplay
1953		Man, Beast and Virtue … Screenplay
1953		Pittori di provincia (I Macchiaioli) … Writer