Production
Double Team
1997
Producer
Arachnophobia
1990
Co-Producer
Writing
Evolution
2001
Screenplay
Vampires
1998
Screenplay
Double Team
1997
Screenplay
Philadelphia Experiment II
1993
Characters
Arachnophobia
1990
Screenplay
Arachnophobia
1990
Story
Invaders from Mars
1986
Screenplay
Death Wish 3
1985
Writer
Lifeforce
1985
Screenplay
The Philadelphia Experiment
1984
Story
Blue Thunder
1983
Screenplay