1997

… Writer

1984

… Story

1977

… Screenplay

1975

… Story

1974

… Writer

1973

… Screenplay

1972		The Girl with the Moon Skin … Writer
1972		The Two Faces of Fear … Screenplay

1971		The Fifth Cord … Writer
1971		The Corsairs … Screenplay … Story
1971		Bubu … Writer

1970		When Heroes Die … Writer
1970		Ma chi t'ha dato la patente? … Story
1970		Roy Colt and Winchester Jack … Screenplay … Story
1970		Five Dolls for an August Moon … Story … Screenplay
1970		The Unholy Four … Writer

1969		Death Knocks Twice … Screenplay
1969		Forgotten Pistolero … Screenplay

1968

… Writer

1967

… Story … Screenplay

1964

… Screenplay … Story

1958

… Story … Screenplay

1953

… Writer

1977		Yeti: The Giant of the 20th Century … Producer
1977		Nine Guests for a Crime … Producer

1973

… Producer

1968

… Producer

1967

… Director