Herec:
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1. The Six Million Dollar Man (1974), seriál...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. Vtáky v tŕní (1983), seriál...Alastair MacQueen
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5. Houston: The Legend of Texas (1986), film...John Van Fossen
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6. Star Trek: Nová generácia (1987), seriál...Q
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7. Bad Influence (1990), film...Howard
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8. Hlavní je byznys (1990), film...Ted
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9. Ruka na kolíske (1992), film...Dr. Victor Mott
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10. Beze strachu (1993), film...Jeff Gordon
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11. Deep red (1994), film...Thomas Newmeyer
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12. Ako vajce vajcu (1996), film...Ted
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13. Raven Hawk (1996), film...Stansfield
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14. Katastrofa letu č. 19 (1997), film...Capt. George W. Bouchard
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15. You Lucky Dog (1998), film
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16. Nebezpecný vlak (1999), film...George Bouchard
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17. Border Line (1999), film...Rolf Berger
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18. Chilli, sex a samba (2000), film...Alex Reeves
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19. Max Steel (2000), seriál...L'Etranger
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20. Dobrá rada (2001), film...Ted
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21. THE BIG TIME (2002), film...Vaughn Clay
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22. Darklight (2004), film...Faith Director Chapel
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23. Pacient č. 14 (2004), film...Dr. Gene Kramer
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24. Sila priateľstva (2007), film...Nigel Pennington
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25. Patológia (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. Gamer (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. Přeludy (2015), film...Victor Napoli
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...Self
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35. Buttons: A Christmas Tale (2018), film...Doctor Johnson
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36. Star Trek: Picard (2020), seriál...Q
Produkcia:
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1. Return to Area 51 (2002), film
Hlas:
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1. Zachránte vojaka Ryana (1998), film...Letter-Reader
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...Discord
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...Mr. Olsen
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...Discord
Rozprávač:
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1. National Geographic Explorer (1985), seriál
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2. Return to Area 51 (2002), film