Credits

• 2024 · To the Journey - Looking Back at Star Trek: Voyager as Self
• 2024 · Masters of the Universe: Revolution as Granamyr (voice)
• 2018 · Buttons as Dr. Johnson
• 2018 · My Little Pony: Best Gift Ever as Discord
• 2016 · 50 Years of Star Trek as Self
• 2015 · Visions as Victor Napoli
• 2014 · Chaos on the Bridge as Self
• 2014 · Bronies 2 - More Unexpected Fans of My Little Pony as
• 2013 · The Captains Close Up as Self
• 2012 · CLONED: The Recreator Chronicles as Dr. Frank Miller
• 2011 · The Captains as Self
• 2008 · Pathology as Dr. Quentin Morris
• 2007 · Reign Over Me as Nigel Pennington
• 2004 · Darklight as Faith Director Chapel
• 2000 · Gen¹³ as Colonel John 'Jack' Lynch (voice)
• 2000 · Woman on Top as Alex Reeves
• 1999 · Final Run as George Bouchard
• 1998 · You Lucky Dog as Lyle Windsor
• 1997 · Trekkies as Self
• 1996 · Multiplicity as Ted
• 1995 · Legend as Janos Bartok
• 1995 · Evolver as Russell Bennett
• 1994 · Without Warning as Barry Steinbrenner
• 1994 · Deep Red as Thomas Newmeyer
• 1993 · Fearless as Jeff Gordon
• 1993 · Arcade as Difford
• 1992 · The Hand that Rocks the Cradle as Dr. Victor Mott
• 1991 · Star Trek: 25th Anniversary Special as Self
• 1990 · Taking Care of Business as Ted Bradford Jr.
• 1979 · The Onion Field as LAPD Lieutenant
• 1978 · Little Women as Frank Vaughn
• Future · The Fall of 2008 as Q (Star Trek: The Next Generation s13e13)
• 2023 · Star Trek: Picard - The IMAX Live Series Finale Event as Q (uncredited)
• 2022 · The Shuttlepod Show as Self
• 2021 · The Center Seat: 55 Years of Star Trek as Self
• 2021 · DOTA: Dragon's Blood as Ritterfau (voice)
• 2020 · Star Trek: Lower Decks as Q (voice)
• 2020 · Ayreon: Electric Castle Live And Other Tales as Narrator
• 2020 · Star Trek: Picard as Q (uncredited)
• 2020 · Star Trek: Picard as Q
• 2019 · When the Train Stops as Jason Booth
• 2019 · Manipulated as
• 2019 · The Ready Room as Self
• 2018 · The Late Batsby as Victor Freeze/Mr. Freeze (voice)
• 2018 · Resurrect as Warren
• 2017 · Olaf's Frozen Adventure as Mr. Olsen (voice)
• 2017 · Remembering Leonard: His Life, Legacy and Battle with COPD as Himself
• 2016 · Justice League Action as Brainiac (voice)
• 2015 · Hypnotized as
• 2014 · The Librarians as Sesselman
• 2014 · My Little Pony Friendship is Magic: Keys of Friendship as Discord
• 2012 · Bronies: The Extremely Unexpected Adult Fans of My Little Pony as Himself
• 2012 · Zombie Hamlet as Jerry
• 2011 · The Secret Circle as
• 2010 · Young Justice as Mr. Twister / Brom Stikk (voice)
• 2010 · My Little Pony: Friendship Is Magic as Discord (voice)
• 2010 · Law & Order: LA as Avery Staynor
• 2009 · Gamer as Chief Of Staff
• 2009 · Crank: High Voltage as Fish Halman
• 2008 · The Mentalist as Edward Feinberg
• 2008 · My Apocalypse as Nathan Eastman
• 2008 · Breaking Bad as Donald Margolis
• 2007 · Greek as Himself
• 2006 · Torchwood as Allen Shapiro
• 2006 · Shark as
• 2006 · The Unit as
• 2005 · The Closer as Dr. Dawson
• 2004 · The Eavesdropper as Dr. Gene Kramer
• 2003 · Burl's as Mr Cooper
• 2002 · The Big Time as Vaughn Clay
• 2002 · Without a Trace as Brian Gaghan
• 2002 · Return to Area 51 as Narrator
• 2001 · Good Advice as Ted
• 2001 · The Guardian as
• 2001 · Crossing Jordan as Thaxton
• 2001 · Special Unit 2 as King of the Links
• 2001 · The Division as
• 2000 · CSI: Crime Scene Investigation as Robert Lansdale
• 2000 · Andromeda as Uncle Sid Barry / Sam Profitt
• 1999 · The West Wing as Al Kiefer
• 1999 · Judging Amy as Dr. Eagan
• 1999 · Border Line as Rolf Berger
• 1999 · Family Guy as Pewterschmidt Industries Executive (voice)
• 1998 · Charmed as Odin
• 1998 · Sports Night as
• 1998 · The Lost World as Lord John Roxton
• 1997 · Final Descent as Capt. George W. Bouchard
• 1997 · Working as Kevin
• 1997 · Ally McBeal as Jackson Poile
• 1997 · Stargate SG-1 as Frank Simmons
• 1997 · The Angry Beavers as
• 1997 · Fired Up as Mr. Lux
• 1997 · The Practice as Walter Bannish
• 1996 · The Real Adventures of Jonny Quest as Dr. Benton Quest (voice)
• 1996 · Raven Hawk as Stansfield
• 1995 · Murder One as Mitchell Garron, Esq.
• 1995 · The Outer Limits as Donald Finley
• 1995 · Star Trek: Voyager as Q
• 1994 · Touched by an Angel as Justinian Jones
• 1994 · Schemes as Arthur Martin
• 1994 · Star Trek: The Next Generation - All Good Things ... as Q
• 1994 · Journey's End - The Saga of Star Trek: The Next Generation as Self
• 1994 · Duckman as
• 1993 · Dave's World as Mr. McFadden
• 1993 · Star Trek: Deep Space Nine as Q
• 1992 · Batman: The Animated Series as Eagleton (voice)
• 1992 · Missing Pieces as Paul / Walter Thackary
• 1991 · The Fisher King as TV Executive
• 1990 · Angel of Death as Jeffrey
• 1990 · Bad Influence as Howard
• 1989 · Get Smart, Again! as Maj. Waterhouse
• 1988 · Mission: Impossible as Drake
• 1988 · Trial and Error as
• 1987 · Star Trek: The Next Generation as Q
• 1987 · Star Trek: The Next Generation as Self
• 1987 · On Fire as Bobby Holicker
• 1986 · L.A. Law as Mark Chelios
• 1986 · Matlock as Dr. Albert Levinson
• 1985 · MacGyver as Brian Ashford
• 1985 · The Twilight Zone as
• 1984 · Murder, She Wrote as Binky Holborn
• 1983 · The Thorn Birds as Alastair MacQueen
• 1981 · The Miracle of Kathy Miller as Dr. Christensen
• 1981 · Nero Wolfe as Tom Irwin
• 1980 · Loving Couples as Allan
• 1980 · Nightside as Willy Potts
• 1978 · Battlestar Galactica as Officer
• 1978 · The Bastard as Lt. Stark
• 1978 · The Lazarus Syndrome as EKG Doctor (uncredited)
• 1977 · Aspen as Ray Chilton
• 1977 · The Man With the Power as Clark
• 1977 · SST: Death Flight as Bob Connors
• 1975 · Legacy as
• 1974 · The Six Million Dollar Man as Medic
• 1974 · The Six Million Dollar Man as Diver
• 1974 · The Six Million Dollar Man as Sergeant Chapman
• 1972 · Emergency! as Dr. DeRoy
• 1972 · Le Grand Échiquier as Self