Wrote 97
1990s
- 1991
Buck at the Edge of Heaven
Screenplay, Story
- 1990
Last Flight To Hell
Screenplay
1980s
- 1989
Leathernecks
Writer
- 1988
Last Platoon
Writer
The Commander
Writer
Striker
Writer
- 1986
Days of Hell
Writer
- 1985
Light Blast
Writer
- 1984
Code Name: Wild Geese
Writer
Tuareg: Desert Warrior
Writer
- 1983
Rush
Writer
Escape from the Bronx
Screenplay, Story
Thor the Conqueror
Story, Screenplay
The Last Blood
Writer
- 1982
Young, Beautiful... Probably Rich
Writer
Tiger Joe
Screenplay
- 1980
1970s
- 1979
Pleasure Shop on 7th Ave.
Writer
- 1978
Last Feelings
Screenplay
- 1977
- 1976
Carioca Tigre
Writer
The Loves and Times of Scaramouche
Story, Screenplay
- 1975
The Black Peacock
Writer
- 1974
Poker in Bed
Writer
The Crazy Bunch
Screenplay, Story
To Love Ophelia
Story
- 1973
High Crime
Screenplay, Story
Once Upon a Time in the West There Was a Man Called Invincible
Story, Screenplay
Holy God, Here Comes the Passatore!
Story, Screenplay
- 1972
Father Jackleg
Screenplay, Story
Ubalda, All Naked and Warm
Writer
The Return of Halleluja
Screenplay
Seven Murders for Scotland Yard
Screenplay
- 1971
The Two Big Shots
Story, Screenplay
The Two of the F. 1 at the Craziest, Craziest Race in the World
Screenplay, Story
Naked Cities
Writer
Marta
Screenplay
- 1970
Reverend's Colt
Writer
Le Mans, Shortcut to Hell
Story, Screenplay
The Dove Must Not Fly
Writer
1960s
- 1969
- 1968
Between God, The Devil and a Winchester
Screenplay
Dead for a Dollar
Screenplay, Story
Man Who Cried for Revenge
Screenplay
Shotgun
Writer
- 1967
People of Honor
Screenplay
Rick and John, Conquerors of the West
Story, Screenplay
Die Easy in Ghentar
Writer
Payment in Blood
Screenplay
- 1966
Django Shoots First
Screenplay
A Few Dollars for Django
Screenplay, Story
For One Thousand Dollars Per Day
Writer
Spiaggia libera
Writer
Mano di velluto
Screenplay
- 1965
Veneri in collegio
Screenplay
Two Vikings
Writer
- 1964
Le tardone
Writer
Badmen of the West
Screenplay
Cleopazza
Writer
- 1963
Siamo tutti pomicioni
Writer
Le motorizzate
Writer
La donna degli altri è sempre più bella
Screenplay
- 1962
Gli italiani e le donne
Writer
Twist, lolite e vitelloni
Screenplay
Il medico delle donne
Screenplay
L'assassino si chiama Pompeo
Writer
- 1961
Le magnifiche 7
Story, Screenplay
Bellezze sulla spiaggia
Story, Screenplay
Walter e i Suoi Cugini
Story, Screenplay
Scandali al mare
Story, Screenplay
- 1960
Ferragosto in Bikini
Writer