Known For
Filmography
2000
1989
1987
1979
1974
1973
1973
1972
1971
19671965

The Diver
Movie · Screenplay

Under the Glacier
Movie · Screenplay

Mister Corbett's Ghost
Movie · Writer

Firepower
Movie · Screenplay

Death Wish
Movie · Writer

Scorpio
Movie · Screenplay

The Stone Killer
Movie · Screenplay

Chato's Land
Movie · Writer

Lawman
Movie · Writer
Champion House
Champion House
TV · Writer · 1 ep

Thirty-Minute Theatre
TV · Writer · 1 ep

