Writing

1974

Winter Kill … Story

1970

The Brotherhood of the Bell … Writer

1969

Che! … Story

1968

Sol Madrid … Screenplay

1967

Le avventure e gli amori di Miguel Cervantes … Screenplay

1961

The Crimebusters … Story … Screenplay

1958

The Plot to Kill Stalin … Writer

Production

2017

Different Flowers … Producer

1970

The Brotherhood of the Bell … Producer

Acting

2016

Snitch as Police 1