Attore:
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1. House IV - Presenze impalpabili, film...Roger Cobb
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2. The Trackers (1971), film...Dave
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3. Carrie - Lo sguardo di Satana (1976), film...Tommy Ross
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4. Un mercoledì da leoni (1978), film...Jack
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...Sundance Kid
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6. The Greatest American Hero (1981), serie
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7. Pippin (1982), film
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8. Chi è sepolto in quella casa? (1985), film...Roger Cobb
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...George Loomis
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...Paul Drake Jr.
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11. Perry Mason e la novizia (1986), film...Paul Drake Jr.
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12. Perry Mason - Morte di un editore (1987), film...Paul Drake Jr.
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13. Perry Mason: Lo spirito del male (1987), film...Paul Drake Jr.
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...Paul Drake Jr.
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15. Perry Mason: La donna del lago (1988), film...Paul Drake Jr.
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16. 2020: il grande inganno (1989), film...Elliott Kropfeld
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17. Double X: The Name of the Game (1992), film...Michael Cooper
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18. Distant Cousins (1993), film...Richard Sullivan
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19. Tollbooth (1994), film...Waggy
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20. Piccola peste si innamora (1995), film...Ben Healy
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21. Romantic Undertakings (1996), film...Richard Tennant
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22. Una bambina innocente (1996), film...Don Mitchell
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23. Madre Teresa (1997), film...Harry Harper
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24. Rough Riders (1997), film...Edward Marshall
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25. Prendimi... se ci riesci! (1998), film...Jean Benoit
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26. Deadly Game (1998), film
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27. Amiche cattive (1999), film...Mr. Purr
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28. Determination of Death (2001), film...John Logan
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29. Tenero Ben (2002), film...Gittis Malone
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30. Snake Island (2002), film...Malcolm Page
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31. Mystery Woman (2003), serie...Donald Fiske
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...Donald Fiske
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33. River's End (2005), film...Ed Kennedy
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34. AVH: Alien vs. Hunter (2007), film...Lee Cussler
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...Dr. Boombas
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36. L'uomo che venne dalla Terra (2007), film...Art
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37. Big Game (2008), film...Dave
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38. Pure Country: il dono (2010), film...Winter
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39. Riflessi di paura 2 (2010), film...Jack Matheson
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40. Sparks (2013), film...Matanza
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41. Paranormal Movie (2013), film
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42. The Unwanted (2014), film...Troy
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43. Subterranea (2015), film...Mockenrue
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44. The Man from Earth: Holocene (2017), film...Art
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45. The Christmas High Note (2020), film...Dr. Dennis Carter
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46. The 2nd (2020), film...Senator Bob Jeffers
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47. Overrun (2021), film...Detective Ed Dobbs
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48. Pursuit (2022), film...Taye Biggs
Regia:
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1. River's End (2005), film
Sceneggiatura:
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1. Blade Boxer (1997), film...(screenplay by)
Produttore:
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1. Sparks (2013), film...executive producer