Glumac:
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1. The Devil's Daughter (1973), film...Steve Stone
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2. The Questor Tapes (1974), film...Questor
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3. Treasure of Matecumbe (1976), film
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4. Aerodrom 77 (1977), film...Chambers
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5. Ants (1977), film
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6. Damien: Pretkazanje 2 (1978), film...Paul Buher
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7. Deathmoon (1978), film
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8. Proročanstvo (1979), film...Rob
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9. The Black Marble (1980), film...Sgt. A.M. Valnikov
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10. Petar i Pavao (1981), film...Peter the Fisherman
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11. Falcon Crest (1981), serija...Chase Gioberti
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12. Prvi čovjek (1990), film...Tobias Williams
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13. With Savage Intent (1992), film...Bob Sprague
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14. Ispod Loch Nessa (2001), film...Mason
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15. Zvjezdane staze: Enterprise (2001), serija...Administrator V'Las
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16. Liga pravde 2 (2004), serija...Professor Emil Hamilton
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17. Syriana (2005), film...Tommy Barton
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18. Knjižničar 2 (2006), film...Uncle Jerry
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19. Poljubi mladu (2007), film...Wayne Woodson
Glas:
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1. Transformeri (2007), film...Ratchet
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...Ratchet
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3. Transformers 3 (2011), film...Ratchet
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4. Transformers: Doba izumiranja (2014), film...Ratchet