Writing

1978		Hotel Fear … Writer
1978		The Angel and the Beasts … Writer

1976		La ragazza dalla pelle di corallo … Writer
1976		Taxi Love - Servizio per signora … Writer
1976		3-Way Split … Writer

1975		Amore vuol dir gelosia … Writer
1975		Order to Kill … Writer

1973

… Screenplay

1972		Tragic Ceremony … Screenplay
1972		Father Jackleg … Story … Screenplay

1970

… Writer

1969		Bootleggers … Writer
1969		Casi jugando … Writer

1968

… Screenplay

1967

… Screenplay

1966		The Ugly Ones … Screenplay
1966		Django … Co-Writer

1963

… Story … Screenplay

1962

… Writer

1958

… Screenplay

1955

… Adaptation

Production

1992

… Executive Producer

1987

… Executive Producer

1978		Hotel Fear … Producer
1978		The Angel and the Beasts … Executive Producer

1976

… Producer

1975		Order to Kill … Producer
1975		The House of Exorcism … Producer

1973		Ricco … Producer
1973		Lisa and the Devil … Co-Producer

1972		Tragic Ceremony … Producer
1972		The Two Faces of Fear … Producer

1966		The Ugly Ones … Producer
1966		Balearic Caper … Producer

1963

… Producer

1962

… Producer

1961

… Producer

1959

… Executive Producer

Directing

1975

… Director

1970

… Director

1955

… Director

1954

… Director