Writing
Universal Soldier
1992 · Screenplay
Universal Soldier: The Return
1999 · Characters
Universal Soldier: Day of Reckoning
2012 · Characters
Bates Motel
1987 · Director
Death Valley
1982 · Writer
Invitation to Hell
1984 · Screenplay
The Hitchhiker
1983 · Director
Human Experiments
1979 · Writer
Hard to Hold
1984 · Story
Shoot the Sun Down
1978 · Screenplay
The Gifted One
1989 · Writer
Double Deception
1993 · Producer
