Druids (2001) Screenplay |
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The Barber of Siberia (1998) Writer |
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Cutting Class (1989) Director |
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The Emerald Forest (1985) Screenplay |
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Excalibur (1981) Adaptation |
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Excalibur (1981) Screenplay |
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Exorcist II: The Heretic (1977) Writer |
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Exorcist II: The Heretic (1977) Second Unit Director |
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Deliverance (1972) Creative Consultant |