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