Film & TV List | Role | Media |
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| Midsomer Murders (2012) | Julian DeQuetteville
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Toby | TV Show |
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| 17th Precinct (2011) | John Bosson | Direct to Video |
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| Merlin (2011) | Julius Borden | TV Show |
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| Eureka (2010) | Dr. Trevor Grant | TV Show |
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| Reuniting the Rubins (2010) | Danny Rubin | Movie |
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| Merlin and the Book of Beasts (2010) | Merlin | TV Movie |
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| FlashForward (2010) | Gabriel McDow | TV Show |
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| Numb3rs (2009) | Mason Duryea | TV Show |
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| Battlestar Galactica (2004–2009) | Dr. Gaius Baltar | TV Show |
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| Battlestar Galactica: Razor (2007) | Dr. Gaius Baltar | TV Movie |
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| One Night with the King (2006) | Haman, the Agagite | Movie |
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| Dead Cool (2004) | Josh | Movie |
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| Bridget Jones: The Edge of Reason (2004) | Tom | Movie |
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| Blue Dove (2003) | Dominic Pasco | TV Movie |
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| Battlestar Galactica (2003) | Gaius Baltar | TV Movie |
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| Helen of Troy (2003) | Menelaus | TV Movie |
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| Relic Hunter (2002) | Raoul | TV Show |
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| Beginner's Luck (2001) | Mark Feinman | Movie |
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| Victoria & Albert (2001) | Ernest | TV Movie |
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| Bridget Jones's Diary (2001) | Tom | Movie |
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| As If (2001) | Sebastian | TV Show |
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| Jason and the Argonauts (2000) | Aspyrtes | TV Movie |
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| Arabian Nights (2000) | Prince Ahmed | TV Movie |
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| The Scarlet Pimpernel (1999) | Henri | TV Show |
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| Sex, Chips & Rock n' Roll (1999) | The Wolf (Justin DeVere Montague) | TV Movie |
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| Ruth Rendell Mysteries (1998) | Guy Curran | TV Show |
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| Mystery!: Heat of the Sun (1998) | Asst. Supt. Clive Lanyard | TV Movie |
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| A Dance to the Music of Time (1997) | Gwinnett | TV Movie |
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| Soldier Soldier (1996) | Maj Tim Forrester | TV Show |
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| Murder Most Horrid (1996) | Mark | TV Show |
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