Glumac:
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1. Iznenada, prošlog ljeta (1959), film...Audience Member at Operation
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2. Najbolji čovjek (1964), film...Delegate
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3. Billy the Kid (1989), film...Preacher
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4. Bob Roberts (1992), film...Senator Brickley Paiste
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5. Životna škola (1994), film...Pitkannan
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6. The Celluloid Closet (1995), film...Self
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7. Šifra: Zavjera (1997), film...Congressman Page
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8. Gattaca (1997), film...Director Josef
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9. Thomas Jefferson (1997), serija...Self
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10. Zašto se borimo (2005), film...Self
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11. Amerika protiv Johna Lennona (2006), film...Himself
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12. Standing Army (2010), film...Self
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...Self
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14. Salinger (2013), film
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15. Pedesetogodišnja rasprava (2014), film...Himself
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...Self - Debater (archive footage)
Scenarist:
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1. Svadbeni ručak (1956), film...(screenplay)
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2. Ljevoruki revolveraš (1958), film
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3. Ben-Hur (1959), film...(contributing writer) (uncredited)
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4. Žrtveno janje (1959), film...(adaptation)
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5. Iznenada, prošlog ljeta (1959), film...(screenplay)
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6. Visit to a Small Planet (1960), film...(play)
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7. Najbolji čovjek (1964), film...(screenplay)
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8. Caligula (1979), film...(adapted from an original screenplay by)
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9. Sicilijanac (1987), film...(uncredited)
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10. Lincoln (1988), serija...(novel)
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11. Billy the Kid (1989), film
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12. The Palermo Connection (1990), film...(screenplay)