Aktor:
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1. The Six Million Dollar Man (1974), seriale...Diver
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2. Little Women (1978), Film...Frank Vaughn
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3. Loving Couples (1980), Film...Alan
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4. The Thorn Birds (1983), seriale...Alastair MacQueen
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5. Houston: The Legend of Texas (1986), Film...John Van Fossen
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6. Star Trek: TNG (1987), seriale...Q
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7. Bad Influence (1990), Film...Howard
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8. Taking Care of Business (1990), Film...Ted
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9. Dora që Tund Djepin (1992), Film...Dr. Victor Mott
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10. Fearless (1993), Film...Jeff Gordon
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11. Tamno crveno (1994), Film...Thomas Newmeyer
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12. Katër kopjet e një burri (1996), Film...Ted
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13. Raven Hawk (1996), Film...Stansfield
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14. Final Descent (1997), Film...Capt. George W. Bouchard
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15. You Lucky Dog (1998), Film
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16. Final Run (1999), Film...George Bouchard
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17. Border Line (1999), Film...Rolf Berger
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18. Ushqimi i pasionit (2000), Film...Alex Reeves
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19. Max Steel (2000), seriale...L'Etranger
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20. Good Advice (2001), Film...Ted
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21. Zlatno doba (2002), Film...Vaughn Clay
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22. Darklight (2004), Film...Faith Director Chapel
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23. The Eavesdropper (2004), Film...Dr. Gene Kramer
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24. Miqësi e rilindur (2007), Film...Nigel Pennington
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25. Fakulteti (2008), Film...Dr. Quentin Morris
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26. My Apocalypse (2008), Film...Nathan Eastman
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...Fish Halman
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28. Lojtari (2009), Film...Chief of Staff
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29. You (2009), Film...Dick
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30. The Captains (2011), Film...Self
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31. Cloned: The Recreator Chronicles (2012), Film...Dr. Frank Miller / Frank 2
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32. Chaos on the Bridge (2014), Film
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33. Vegimet (2015), Film...Victor Napoli
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...Self
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35. Magjia e të besuarit (2018), Film...Doctor Johnson
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36. Star Trek: Picard (2020), seriale...Q
Regjisori:
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1. Return to Area 51 (2002), Film
Zeri:
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1. Shpëtoni ushtarin Rajan (1998), Film...Letter-Reader
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...Discord
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...Mr. Olsen
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...Discord
Narratori:
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1. National Geographic Explorer (1985), seriale
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2. Return to Area 51 (2002), Film