Acteur:
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1. On the Line (1984), film...Stephens
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2. 3 heures, l'heure du crime (1987), film...Duke Herman
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3. Shocker (1989), film...Horace Pinker
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4. Guilty as Charged (1991), film...Dominique
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5. K 2000 - La nouvelle arme (1991), film...Thomas J. Watts
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6. Basic Instinct (1992), film...Internal Affairs Investigator
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7. X Files: aux frontières du réel (1993), série...Walter Skinner
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8. Dangerous Touch (1994), film...Vince
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9. Raven Hawk (1996), film...Carl Rikker
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10. X-files: le film (1998), film...Assistant Director Walter Skinner
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11. Marabunta, l'invasion souterraine (1998), film...Police Chief Jeff Croy
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12. Les coulisses de X-Files (1998), film...Self
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13. Mafia parano (2000), film...Dexter Helvenshaw
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14. Stargate: Atlantis (2004), série...Colonel Steven Caldwell
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15. Supernatural (2005), série...Samuel Campbell
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16. Médium (2005), série...Dan Burroughs
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17. Labirint zločina (2006), série...Detective Spivak
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18. Man in the Chair (2007), film...Floyd
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19. X-Files: Régénération (2008), film...Walter Skinner
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20. Recomptage (2008), film...Bill Daley
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21. Un éclair de génie (2008), film...Macklin Tyler
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22. Xtra Credit (2009), film...John Weller
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...Gunter MacGregor
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24. Dallas (2012), série...Harris Ryland
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25. The Finder (2012), série...Eddie Ross
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26. The Girl in the Photographs (2015), film...Sheriff Porter
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27. Polaroid (2019), film...Sheriff Pembroke
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28. Helstrom (2020), série...Papa
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...Prosecutor John Kelley
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30. Walker (2021), série...Bonham Walker