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Hollywood Ghost Stories (1986) as Himself |
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Rich and Famous (1981) as Literary Party Guest |
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Scissors (1991) Director |
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Scissors (1991) Writer |
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The Penthouse (1989) Teleplay |
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Killer in the Mirror (1986) Director |
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Killer in the Mirror (1986) Writer |
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The Entity (1982) Novel |
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The Entity (1982) Screenplay |
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Dark Night of the Scarecrow (1981) Director |
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The Two Worlds of Jennie Logan (1979) Director |
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The Two Worlds of Jennie Logan (1979) Teleplay |
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Audrey Rose (1977) Novel |
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Audrey Rose (1977) Screenplay |
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Audrey Rose (1977) Producer |
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The Savage Is Loose (1974) Writer |
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Trapped (1974) Director |
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Trapped (1974) Writer |
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Z.P.G. (1972) Writer |
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Z.P.G. (1972) Executive Producer |
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Lo sbarco di Anzio (1968) Adaptation |
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The Stately Ghosts of England (1965) Director |
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The Stately Ghosts of England (1965) Producer |
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The Stately Ghosts of England (1965) Writer |
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Witchcraft: The Doll in Brambles (1961) Adaptation |
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Jail Keys Made Here () Producer |
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The Entity () Novel |