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Alien Attack (1980) Screenplay |
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The Tenth Level (1976) Writer |
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The Tenth Level (1976) Associate Producer |
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Spazio: 1999 (1975) Writer |
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Nightmare Step (1973) Writer |
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Managing Time (1968) Writer |
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Too Many Thieves (1966) Writer |
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The Invisible Avenger (1958) Screenplay |