Acteur:
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...Self - Guest
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2. Le propriétaire (1970), film...Peter
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3. La chouette et le pussycat (1970), film...Barney
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4. The Pursuit of Happiness (1971), film
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5. La moutarde me monte au nez (1974), film...Petit rôle
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6. Le gitan (1975), film
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7. Comme un boomerang (1976), film...Lezsin
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8. Le gang (1977), film
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9. La fureur du danger (1978), film...Roger Deal
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10. Nobody's Perfect (1981), film...Walter
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11. Courbes dangereuses (1988), film...Bam Bam
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13. Joyeux Noël (1994), film...Mr. Lobel
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14. Radioland Murders (1994), film...Father Writer
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15. Jeffrey (1995), film
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16. Un beau jour (1996), film...Dr. Martin
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17. Primary Colors (1998), film...Norman Asher
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...Self ('The Funeral' sequence)
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19. Monty Python: Live at Aspen (1998), film
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20. Goosed (1999), film...Dad / Mel
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21. The Safety of Objects (2001), film...Howard Gold
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22. L'amour sans préavis (2002), film...Larry Kelson
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23. Influences (2002), film...Dr. Sandy Napier
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24. Comedian (2002), film...Self
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25. CenterStage (2002), série...Self
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...Phillip Warren
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27. Ira & Abby (2006), film...Seymour Black
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28. À coeur ouvert (2007), film...Jonathan Timpleman
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29. Certifiably Jonathan (2007), film...Self
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30. Monty Python Conquers America (2008), film...Self
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31. Le plan B (2010), film...Dr. Scott Harris
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32. Robert Klein: Unfair & Unbalanced (2010), film...Self
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33. Bad Boss (2011), film...Bob Farrell
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34. Dirty Movie (2011), film...The CEO
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35. Another Dirty Movie (2012), film...The CEO
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...Self
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37. Les mystères de Laura (2014), série...Leo Diamond
Scénario:
Producteur:
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...executive producer
Voix:
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1. La dernière licorne (1982), film...The Butterfly