Known For
Filmography
2007
2001
2000
1974
1974
1973
1972
1971
1971

I Am Legend
Movie · Original Film Writer

The Arena
Movie · Writer

Nightfall
Movie · Screenplay

The Arena
Movie · Writer

Killer Bees
Movie · Writer

Battle for the Planet of the Apes
Movie · Screenplay

Boxcar Bertha
Movie · Screenplay

The Omega Man
Movie · Screenplay

Von Richthofen and Brown
Movie · Writer
