Filmography
Unscrupulous1986 · Story
Covert Action1978 · Screenplay
California1977 · Screenplay
Keoma1976 · Screenplay
Carambola's Philosophy: In the Right Pocket1975 · Screenplay
Salvo D'Acquisto1974 · Screenplay
Carambola!1974 · Writer
The Story of a Poor Young Man1974 · Writer
The Silk Worm1974 · Story, Screenplay
On the Third Day Arrived the Crow1973 · Writer
The Master Touch1972 · Writer
The Pisciotta Case1972 · Story, Screenplay
High Voltage1972 · Screenplay, Story
To Kill in Silence1972 · Dialogue
The Smugglers1971 · Adaptation
Sacco & Vanzetti1971 · Story
Matalo! (Kill Him)1970 · Writer
Machine Gun McCain1969 · Writer
Beyond the Law1968 · Screenplay
Grand Slam1967 · Screenplay, Story