Actor:
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1. La răscruce de drumuri (1986), film...Robert Johnson
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2. Foc cu foc (1986), film...Jerry
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3. Casebusters (1986), film
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4. Urmăritorii timpului (1987), film...Sergeant Filton
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5. Dorinţa de a ucide 4 (1987), film...Jesse
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6. Roots: The Gift (1988), film...Marcellus
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7. Lifestories (1990), seriale...K.C.
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8. Eve of Destruction (1991), film...Carter
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...Joe Briggs
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10. Star Trek: Generatii (1994), film...Lieutenant
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11. Bitter Vengeance (1994), film...Lt. James
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12. Star Trek: Voyager (1995), seriale...Tuvok
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13. Oh ca în Ohio (2006), film...Douglas
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14. Greu de ucis 4 (2007), film...Chuck Summer
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15. iCarly (2007), seriale...Principal Franklin
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16. Tko je Samantha? (2007), seriale...Frank
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17. Cosmar pe internet (2013), film...Principal Ajeti
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18. Asteroid vs Earth (2014), film...Captain Rogers
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19. Six Gun Savior (2016), film...Ezekiel Roak
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20. Unbelievable!!!!! (2016), film...Dr. Robert Schmitt
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21. Six Gun Savior (2016), film...Ezekiel Roak
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22. Sun, Sand & Romance (2017), film...Gus Van Houtten
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23. 5th Passenger (2017), film...Franklin
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24. Karma (2018), film...Frank Hudson
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25. Creatura din mlaștină (2019), seriale...Dr. Chowodury
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26. Cerul de la miezul nopții (2020), film...Mason Mosley
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27. Them (2021), seriale...The Custodian
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28. 4400 (2021), seriale...Elijah Landry
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29. The Center Seat: 55 Years of Star Trek (2021), seriale...Tuvok
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30. Nightshade (2022), film...Captain Burns
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31. Batman: Haosul din Gotham (2023), film...Lucius Fox (voice)
Regizor:
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1. Dosarele FBI (1998), seriale
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2. Life on the Rocks (2021), film
Vocea:
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1. Batman: Haosul din Gotham (2023), film...Lucius Fox