L'ultimo rigore 2002
Screenplay
A due passi dal cielo 1999
Screenplay
The Fishmen and Their Queen 1995
Writer
Beyond Kilimanjaro, Across the River of Blood 1990
Writer
In The Rose Garden 1990
Writer
American Rickshaw 1989
Screenplay
The Opponent 1988
Screenplay
Race to Danger 1988
Writer
A Hole in the Windshield 1983
Director, Writer
Bosco d'amore 1981
Screenplay
A Man Called Blade 1977
Screenplay
The Cynic, the Rat & the Fist 1977
Story
A Tame Song for a Brave People 1976
Screenplay
Crimebusters 1976
Writer
Blackmail Chase 1976
Writer
The Beautiful Summer 1974
Story
High School Girl 1974
Writer
Anna: the Pleasure, the Torment 1973
Story, Screenplay
7 Hours of Violence 1973
Writer
Love and Death in the Garden of the Gods 1972
Director, Screenplay
My Horse, My Gun, Your Widow 1972
Screenplay
Your Vice Is a Locked Room and Only I Have the Key 1972
Story, Screenplay
All the Colours of the Dark 1972
Screenplay
The Double 1971
Writer
The Case of the Scorpion's Tail 1971
Screenplay
Dig Your Grave Friend... Sabata's Coming 1971
Writer
Violent City 1970
Screenplay
Any Gun Can Play 1967
Story
$10,000 for a Massacre 1967
Screenplay
Johnny Yuma 1966
Story, Screenplay
Credits from TMDB.