Known for
Writing22
movieLa Promesa
1976
Writer
movieWhen Heroes Die
1970
Writer
movieTwenty Thousand Dollars for Seven
1969
Screenplay, Story
movieHell Commandos
1969
Writer
movieA Bullet for Rommel
1969
Story, Screenplay
movieSeven Into Hell
1968
Writer
movieA Nun at the Crossroads
1967
Screenplay
movieA Few Dollars for Django
1966
Story, Screenplay
movieTwo Thousand Dollars for Coyote
1966
Story, Screenplay
movieThe Relentless Four
1965
Screenplay
movieHour of Death
1964
Screenplay
movieLos conquistadores del Pacífico
1963
Screenplay, Story
movieRosa de Lima
1961
Screenplay
movieEl inquilino
1958
Screenplay
movieHabanera
1958
Writer
movieCurra Veleta
1956
Writer