Filmography
| Film appearances | |||
|---|---|---|---|
| Year | Film | Role | Notes |
| 1988 | The Dreaming | Dr. Richards | |
| 1989 | A Sting in the Tale | Prime Minister's minder | |
| 1990 | Call Me Mr. Brown | Sergeant | |
| 1993 | The Nostradamus Kid | General Booth | |
| 1999 | Airtight | Sorrentino | Made for TV Movie |
| 2000 | The Monkey's Mask | Mr. Norris | |
| Virtual Nightmare | Dad | Made for TV Movie | |
| 2002 | The Lord of the Rings: The Two Towers | Denethor | Extended Edition Only |
| The Outsider | Fergus Hunter | Made for TV Movie | |
| Superfire | Paul Baylis | Made for TV Movie | |
| 2003 | The Lord of the Rings: The Return of the King | Denethor | Critics Choice Award for Best Acting Ensemble National Board of Review Award for Best Cast Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture Nominated — Phoenix Film Critics Society Award for Best Cast |
| 2004 | Fracture | Howard Peet | |
| The Mystery of Natalie Wood | Irving Pichel, Director | Made for TV movie | |
| 2006 | One Night with the King | Prince Admantha | |
| Running Scared | Ivan Yugorsky | ||
| Voodoo Lagoon | Ben | ||
| 2010 | Risen | Eddie Thomas | |
| The Last Airbender | Dragon Spirit | ||
| Television appearances | ||||
|---|---|---|---|---|
| Year | TV Series | Role | Episodes | Notes |
| 1991 | Police Rescue | Sergeant | 1 | |
| Agatha Christie's Poirot | Rigoletto | 1 | ||
| 1993 | Time Trax | Mr. Michaels | 1 | |
| 1997 | Big Sky | Graham James | 1 | |
| 1998 | Water Rats | Dr. Harry | 1 | |
| 1998–2004 | All Saints | Dr. John Madsen | 32 | |
| 2000 | Tales of the South Seas | Christian Ambrose | 1 | |
| 2001 | Sir Arthur Conan Doyle's The Lost World | Inspector Robert Anderson | 1 | |
| The Bill | Commander Warren | 1 | ||
| 2001–06 | Home and Away | Dr. Helpman | 9 | |
| 2002 | Young Lions | Adam Gallagher | 4 | |
| Stingers | Michael Kranz | 1 | ||
| 2006 | Stargate SG-1 | Meurik | 1 | Season 9 Episode 20 "Camelot" |
| 2007 | Journeyman | Wine Connoisseur | 1 | |
| The Unit | The CEO | 1 | ||
| 24 | Anatoly Markov | 2 | ||
| Pirate Islands: The Lost Treasure of Fiji | Blackheart | 13 | ||
| 2008–current | Fringe | Walter Bishop | 80 | 2008: Nominated — Satellite Award for Best Supporting Actor – Series, Miniseries or Television Film 2009: Nominated — Satellite Award for Best Supporting Actor – Series, Miniseries or Television Film 2009: Nominated — Saturn Award for Best Supporting Actor on Television 2010: Won - Saturn Award for Best Supporting Actor on Television |
| 2011 | Dark Matters: Twisted But True | Himself | - | Host |
| Transformers: Prime | Unicron | Voice only | ||
| TBA | Guardians of Luna | Constantine Voira | In production | |
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