Credits

• 2025 · The Pitt as Dr. Michael 'Robby' Robinavitch
• 2023 · At the Gates as Peter Barris
• 2021 · Leverage: Redemption as Harry Wilson
• 2019 · The Kelly Clarkson Show as
• 2019 · The Red Line as Daniel Calder
• 2018 · The Romanoffs as Ivan
• 2018 · 25 Words or Less as
• 2017 · Mark Felt: The Man Who Brought Down the White House as Stan Pottinger
• 2017 · Shot as Mark Newman
• 2016 · Angie Tribeca as Lewis Alcindor
• 2015 · The Late Show with Stephen Colbert as Self
• 2015 · Tab Hunter Confidential as Self
• 2015 · The World Made Straight as Leonard
• 2014 · The Librarians as Flynn Carsen
• 2014 · Phineas and Ferb: Night of the Living Pharmacists as Martin the News Vendor (voice)
• 2013 · Snake & Mongoose as Arthur Spear
• 2013 · Drunk History as Thomas Nast
• 2012 · Lab Rats as Dr. Evans
• 2011 · Falling Skies as Thomas 'Tom' Mason
• 2010 · Queen of the Lot as Aaron Lambert
• 2010 · Conan as Self
• 2010 · Who Do You Think You Are? as Self
• 2008 · Nothing But the Truth as Avril Aaronson
• 2008 · An American Affair as Mike Stafford
• 2008 · The Librarian: The Curse of the Judas Chalice as Flynn Carson
• 2008 · W. as Don Evans
• 2007 · Phineas and Ferb as Martin the News Vendor (voice)
• 2006 · The Librarian: Return to King Solomon's Mines as Flynn Carsen
• 2005 · The Californians as Gavin Ransom
• 2005 · Unscripted as Self
• 2004 · Donnie Darko: Production Diary as Self
• 2004 · The Tony Danza Show as Self - Guest
• 2004 · The Librarian: Quest for the Spear as Flynn Carsen
• 2003 · The Ellen DeGeneres Show as Self
• 2003 · Fall of Knipple as Ed
• 2002 · White Oleander as Mark Richards
• 2002 · Enough as Robbie
• 2002 · Scenes of the Crime as Seth
• 2002 · NBC 75th Anniversary Special as Self
• 2001 · Good Day Live as Self
• 2001 · Donnie Darko as Prof. Kenneth Monnitoff
• 2000 · Fail Safe as Buck
• 1999 · Teen Choice Awards as Self - Nominee
• 1999 · Pirates of Silicon Valley as Steve Jobs
• 1999 · Can't Stop Dancing as Poe
• 1997 · The Myth of Fingerprints as Warren
• 1997 · The View as Self
• 1996 · The Daily Show as Self
• 1994 · Friends as Jeffrey Rosen
• 1994 · ER as John Carter
• 1994 · There Goes My Baby as Finnegan
• 1994 · Guinevere as Lancelot
• 1993 · Swing Kids as Emil Lutz
• 1992 · A Few Good Men as Cpl. Jeffrey Barnes
• 1991 · Crooked Hearts as Ask Warren
• 1988 · LIVE with Kelly and Mark as
• 1985 · Lust in the Dust as Young Man (uncredited)
• 1975 · Saturday Night Live as Self - Cameo (uncredited)
• 1969 · Sesame Street as