| Year | Title | Role | Notes |
|---|
| 1980 | The Lost Tribe | James | Miniseries |
| 1984 | Draw! | Acting Troupe | Television film |
| 1989 | Magic Hour: Tom Alone | Edward Mallandaine |
| 1990 | MacGyver | Duke Lyman | Episode: "The Gun" |
| 1991 | 21 Jump Street | Fingers | Episode: "Crossfire" |
| 1994 | Highlander: The Series | Lattimore | Episode: "Blackmail" |
| 1996 | Two | Kevin | Episode: "Armies of the Night" |
| 1997 | Major Crime | Dean Hedican | Television film |
| 1997, 1999 | Dead Man's Gun | Cullen / Tyree | 2 episodes |
| 1998 | Baby Monitor: Sound of Fear | Jimmy | Television film |
| 1998 | F/X: The Series | Gary | Episode: "Standoff" |
| 1998 | The Escape | Newby | Television film |
| 1998 | Every Mother's Worst Fear | Drew Pederson |
| 1998 | Killers in the House | Louis Sykes |
| 1998–2000 | The Outer Limits | Various roles | 3 episodes |
| 1999 | A Murder on Shadow Mountain | Def. Atty. Travis Wysocki | Television film |
| 1999 | Brotherhood of Murder | Richard Parker |
| 1999 | Sherlock Holmes in the 22nd Century | Guest voice | 26 episodes |
| 1999–2002 | Da Vinci's Inquest | Alfie / Pete Kowalski | 5 episodes |
| 2000 | Seven Days | Lt. Col. Sergei Potenkin | Episode: "Space Station Down" |
| 2000 | First Wave | Peter Mince | Episode: "Mabus" |
| 2000–2003 | X-Men: Evolution | Duncan Matthews | 9 episodes |
| 2000, 2004 | Cold Squad | Grant Chilton | 2 episodes |
| 2001 | Big Sound | Peter Osgood | Episode: "The Day the Music Croaked" |
| 2001 | Strange Frequency | Chris | Episode: "Cold Turkey" |
| 2002 | Special Unit 2 | Martinez | Episode: "The Straw" |
| 2002 | Jeremiah | Cord Geary | Episode: "Red Kiss" |
| 2002 | Strange Frequency 2 | Chris | Television film |
| 2002 | Stargate SG-1 | Deputy / Agent Cross | Episode: "Nightwalkers" |
| 2002 | Monk | Jesse Goodman | 2 episodes |
| 2002 | Breaking News | Quentin Druzinski | 13 episodes |
| 2003 | A Wrinkle in Time | Ellwood | Television film |
| 2003 | Queer as Folk | Mark | 4 episodes |
| 2003 | The Dead Zone | Joe Foster | Episode: "Visions" |
| 2004 | The Twelve Days of Christmas Eve | Drew Quinn | Television film |
| 2005 | 14 Hours | Finnegan |
| 2005 | Murder at the Presidio | Private Brooks |
| 2005–2009 | Battlestar Galactica | Chief Peter Laird | 5 episodes |
| 2006 | Meltdown: Days of Destruction | Nathan | Television film |
| 2006 | Murder on Pleasant Drive | Detective Mike Dansbury |
| 2006 | Intelligence | Randall | Episode: "Don't Break Your Brother's Heart" |
| 2006 | Rapid Fire | Manny | Television film |
| 2006–2017 | Supernatural | Various roles | 3 episodes |
| 2007 | Painkiller Jane | Painkiller Jane | Episode: "Trial by Fire" |
| 2007 | The 4400 | Jack Delphy | Episode: "Fear Itself" |
| 2007 | Eureka | Dr. Todd | Episode: "Try, Try Again" |
| 2007 | Battlestar Galactica: Razor | Peter Laird | Television film |
| 2007 | Second Sight | Mr. Raskind |
| 2007 | Masters of Science Fiction | Jack Valentine | Episode: "Watchbird" |
| 2007 | Everest '82 | John Amatt | 4 episodes |
| 2007 | Dragon Boys | Cpl. Dan 'Crow' Cromartie | 2 episodes |
| 2008 | Mail Order Bride | Ghost | Television film |
| 2009 | Web of Desire | Dr. Brian Doyle |
| 2009 | Fringe | Dobbins | Episode: "Of Human Action" |
| 2010 | Human Target | Detective Simms | Episode: "Tanarak" |
| 2010 | On Strike for Christmas | Keith | Television film |
| 2010 | The Cult | Dr. Frank Hollingshurst |
| 2010–2011 | Stargate Universe | Morrison | 6 episodes |
| 2010, 2011 | Sanctuary | Nigel Griffin | 2 episodes |
| 2011 | SGU Stargate Universe Kino | Morrison | Episode: "Painful Moments" |
| 2011 | CHAOS | Schmidt | Episode: "Deep Cover Band" |
| 2011 | True Justice | Mike | 2 episodes |
| 2011 | The Haunting Hour: The Series | Mr. Dunwood | Episode: "Swarmin' Norman" |
| 2012 | Blackstone | Detective Deacon | 5 episodes |
| 2013 | Motive | Randy Sprague | Episode: "Pushover" |
| 2013 | She Made Them Do It | Detective Murphy | Television film |
| 2013 | Romeo Killer: The Chris Porco Story | Mike McDermott |
| 2013–2014 | Bates Motel | Gil Turner | 5 episodes |
| 2014 | Sole Custody | Hodge | Television film |
| 2014 | My Gal Sunday | Wexler Klint |
| 2014 | Psych | Mr. Grouse | Episode: "Cog Blocked" |
| 2015 | Surprised by Love | Surprised by Love | Television film |
| 2015 | Reign | Lord Akers | 2 episodes |
| 2015 | Ungodly Acts | Gary | Television film |
| 2015 | Love on the Air | Brad |
| 2015 | Ties That Bind | Terrence | Episode: "Legacy" |
| 2015 | A Mother's Instinct | Chris Betnner | Television film |
| 2016 | Get Out Alive | Alex Kozlov |
| 2016 | Unclaimed | Sargent Zimmer |
| 2016 | Arrow | Pyotr Friedkin | Episode: "Penance" |
| 2016 | Who Killed JonBenét? | ADA Hofstrom | Television film |
| 2016 | A Heavenly Christmas | Patrick | Television film |
| 2016–2019 | Van Helsing | Flesh | 28 episodes |
| 2017 | All of My Heart: Inn Love | Roger Bailey | Television film |
| 2017 | Travelers | Traveler 0029 | Episode: "Traveler 0027" |
| 2017, 2018 | Past Malice | Prof. Thomas Webster | 2 episodes |
| 2018 | Supergirl | Dr. Vose | Episode: "American Alien" |
| 2019 | Morning Show Mysteries | Edmund Stokes | Episode: "Countdown to Murder" |
| 2019; 2024 | The Dragon Prince | Ethari | 5 episodes |
| 2020 | Martha's Vineyard Mysteries | Victor Gaines | Episode: "Riddled with Deceit" |
| 2020 | Snowpiercer | Robert Folger | 8 episodes |
| 2021 | The Long Island Serial Killer: A Mother's Hunt for Justice | Desk Sergeant | Television film |
| 2021 | Midnight Mass | Howie Hobbs | 3 episodes |
| 2025 | Watson | Mycroft Holmes | Episode: "A Variant of Unknown Significance" |
