Credits

• 2025 · Werewolf Game as Bill
• 2024 · To the Journey: Looking Back at Star Trek: Voyager as Self
• 2020 · Unbelievable!!!!! as Boris / Edgar Allan Putz
• 2020 · Superhuman: The Invisible Made Visible as Self - Special Guest
• 2018 · Buttons as Mr. Wentworth
• 2016 · The Meddler as Cos
• 2016 · Hail, Caesar! as Rabbi
• 2014 · Don't Blink as Man in Black
• 2014 · Age of Tomorrow as General Magowan
• 2014 · That Guy Dick Miller as Self
• 2012 · Atlas Shrugged: Part II as Dr. Robert Stadler
• 2012 · Camilla Dickinson as Mr. Stephanowski
• 2011 · Beethoven's Christmas Adventure as Smirch
• 2011 · The Captains as Self
• 2010 · Mega Shark vs. Crocosaurus as Admiral Calvin
• 2010 · Quantum Quest: A Cassini Space Odyssey as Milton (voice)
• 2008 · Ben 10: Race Against Time as Principal White
• 2006 · A.I. Assault as Dr. John Foster
• 2006 · 40 Years of Star Trek as Self
• 2005 · Homecoming as Kurt Rand
• 2003 · Looney Tunes: Back in Action as Acme VP, Rhetorical Questions
• 1999 · Star Trek: Voyager - Dark Frontier as The Doctor
• 1998 · Archibald the Rainbow Painter as Dr. Kurtz
• 1997 · Menno's Mind as Senator Taylor
• 1995 · Out There as Walter Danverstein (uncredited)
• 1994 · The Pagemaster as Pirate (voice)
• 1994 · Wagons East! as Ben Wheeler
• 1994 · Runaway Daughters as Mr. Cahn
• 1994 · Revenge of the Nerds IV: Nerds In Love as Chad Penrod
• 1992 · Deadly Matrimony as Prosecutor
• 1992 · Samantha as Neil Otto
• 1992 · A Murderous Affair: The Carolyn Warmus Story as David Lewis
• 1991 · Violation of Trust as Dr. Raymond Gilmore
• 1991 · Motorama as Jerry the Policeman
• 1991 · L.A. Story as Voicephone (voice) (uncredited)
• 1989 · The Cover Girl and the Cop as Denise's Date
• 1988 · Dead Heat as Lt. Herzog
• 1988 · Jack's Back as Dr. Carlos Battera
• 1987 · Paul Reiser: Out on a Whim as
• 1987 · Bates Motel as Dr. Goodman
• 1987 · Mr. President as Reinbeck
• 1987 · Munchies as Bob Marvalle
• 1986 · Throb as
• 1986 · Back to School as Giorgio
• 1983 · Star 80 as Interviewer
• 1983 · Get Crazy as O'Connell
• 1983 · Dixie: Changing Habits as Harry Meadows
• 1981 · Golden Gate as
• 1981 · The Violation of Sarah McDavid as Scott Crowell
• 1981 · The Howling as Eddie Quist
• 1980 · The Dream Merchants as Mark Kessler
• Future · Star Trek: Starfleet Academy as The Doctor
• 2024 · Space Command Redemption as Yusef Sekander
• 2023 · A Biltmore Christmas as Harold Balaban
• 2022 · Quantum Leap as Dr. Edwin Woolsey
• 2022 · Confess, Fletch as Count Clementi Arbogastes De Grassi
• 2022 · MEAD as Admiral Gillette
• 2022 · Discontinued as Theodore
• 2022 · The Shuttlepod Show as Self
• 2021 · Portal Runner as TV Salesman
• 2021 · The Center Seat: 55 Years of Star Trek as Self
• 2021 · Star Trek: Prodigy as The Doctor (voice)
• 2021 · CSI: Vegas as Carlo Rey
• 2021 · Deck the Heart as Larry Link
• 2021 · After Masks as Dr. Robinson (Past Cure Segment)
• 2020 · Star Trek Day as Self
• 2020 · Stars in the House as Self
• 2020 · Mythic Quest as Principal Taggart
• 2019 · Dickinson as Ithamar Conkey
• 2019 · Ben, frankly. as Caesar
• 2019 · Torn as Rabbi
• 2018 · Station 19 as Mr. Nelligan
• 2017 · Young Sheldon as Professor Salzman
• 2017 · The Orville as Ildis Kitan
• 2017 · A Bad Feeling as Self
• 2017 · The Good Fight as Arbiter Alan Mannheim
• 2016 · Justice League Action as Harvey Dent / Two-Face (voice)
• 2016 · The Father and the Bear as Charlie
• 2016 · Lucifer as Yuri
• 2016 · Cozmo's as Wender
• 2015 · Occupants as Dr Alan Peterson
• 2015 · Star Trek: Renegades as Dr. Zimmerman
• 2015 · Mansion of Blood as Samuel Corbett
• 2014 · The Flash as Dexter Myles
• 2014 · The Flash as Dexter Myles (voice)
• 2014 · Infiltrators as Reverend Quaid
• 2013 · The Captains Close Up as Self
• 2012 · Spirit Hunters as Bob
• 2012 · The Inspector Chronicles as Bernard
• 2012 · Rock Jocks as Guard 1
• 2012 · Perception as A. Z. Weyland
• 2012 · The Legends of Nethiah as Grandpa / Sir Hanif
• 2012 · The Client List as Judge Hughes
• 2011 · Austin & Ally as Dr. Grant
• 2011 · Jessie as Cyril Lipton
• 2011 · Morlocks as Colonel Wichita
• 2011 · The Candidate as Carl Tucker
• 2011 · Femme Fatales as Hieronymus Hawks
• 2011 · Happy Endings as Mr. Logan
• 2011 · Body of Proof as Henry Pedroni
• 2011 · Trail of Blood as Agent Weston
• 2010 · The Captains of The Final Frontier as Self
• 2010 · Monsterwolf as Stark
• 2010 · Hawaii Five-0 as C.I.A. Man
• 2010 · Justified as Karl Hanselman
• 2010 · The Odds as Dale Kakowski
• 2009 · Sensored as Wade Mixon
• 2009 · Stargate Universe as Richard Woolsey
• 2009 · Castle as Clark Murray
• 2009 · The Awakened as Maddox
• 2008 · P.J. as Stan Jamison
• 2008 · The Mentalist as Jason Cooper
• 2008 · Universal Signs as Father Joe
• 2007 · Women's Murder Club as
• 2007 · Pushing Daisies as Detective Puget
• 2007 · Chuck as Perseus
• 2005 · Ben 10 as Leader Alien (voice)
• 2005 · Masters of Horror as
• 2005 · E-Ring as
• 2005 · Supernatural as Wayne Whittaker Jr.
• 2005 · Bones as Dr. Lawrence Rozran
• 2005 · The Closer as Mr. Sheffield
• 2005 · Grey's Anatomy as Mr. Nelligan
• 2004 · CSI: NY as Sheriff Benson
• 2004 · Justice League Unlimited as Amazo (voice)
• 2004 · Stargate Atlantis as Richard Woolsey
• 2004 · The 4400 as Trent Appelbaum
• 2003 · Roddenberry on Patrol as The Doctor
• 2003 · Cold Case as Arthur Lennox
• 2003 · The Lyon's Den as
• 2003 · NCIS as Dale Harding
• 2003 · Eve as Professor Dunson
• 2003 · The O.C. as Bill Merriam
• 2003 · Evil Con Carne as Cod Commando (voice)
• 2003 · Unleashing the Beast: Making ‘The Howling’ as
• 2002 · The Dead Zone as Mitch McMurtry
• 2002 · Creating a Myth... the Memories of 'Legend' as Himself
• 2001 · Justice League as Amazo (voice)
• 2001 · Justice League as Blackhawk / Nazi Soldier (voice)
• 2001 · Justice League as Blackhawk (voice)
• 2001 · Smallville as Edward Teague
• 2001 · Crossing Jordan as Bruno Casnelli
• 2001 · The Amati Girls as Grace's Doctor
• 2000 · Buzz Lightyear of Star Command as Professor Reddschift (voice)
• 1999 · The West Wing as E. Bradford Shelton
• 1998 · Seven Days as
• 1998 · Small Soldiers as Ralph, Clean Room Technician
• 1997 · The Second Civil War as Godfrey
• 1997 · Ally McBeal as Barry Philbrick
• 1997 · Stargate SG-1 as Richard Woolsey
• 1997 · The Practice as
• 1996 · Star Trek: First Contact as Enterprise EMH
• 1996 · Early Edition as
• 1996 · Sabrina, the Teenage Witch as Bob Jacobs
• 1995 · The Savage Dragon as (voice)
• 1995 · The Outer Limits as Emmet Harley
• 1995 · E! Inside Star Trek: Voyager as Himself
• 1995 · VR.5 as
• 1995 · What a Cartoon! as Pfish (voice)
• 1995 · The New Explorers: The Science of Star Trek as Self
• 1995 · Star Trek: Voyager as The Doctor
• 1995 · Launch of Star Trek: Voyager as Himself
• 1995 · Star Trek: Voyager - Inside the New Adventure as Host
• 1994 · ER as Abraham Zimble
• 1994 · White Mile as Tom Horton
• 1993 · Fatal Deception: Mrs. Lee Harvey Oswald as David Lifton
• 1993 · Frasier as Charlie Koechner
• 1993 · The Adventures of Brisco County, Jr. as Puel
• 1993 · Matinee as Howard, the Theater Manager
• 1993 · Star Trek: Deep Space Nine as Dr. Lewis Zimmerman / EMH Mark I
• 1992 · Batman: The Animated Series as Eddie G. (voice)
• 1992 · The Witches of Eastwick as Raymond Gentry
• 1991 · Home Improvement as Joe Morton
• 1991 · Frame Up as Frank Govers
• 1991 · Dinosaurs as Clerk (voice)
• 1991 · Dinosaurs as Ted (voice)
• 1991 · Dinosaurs as Muse (voice)
• 1990 · Gremlins 2: The New Batch as Forster
• 1990 · Total Recall as Johnnycab (voice)
• 1989 · Tales from the Crypt as Frank Bobo
• 1989 · Loverboy as Dr. Reed Palmer
• 1989 · The 'Burbs as Joe, Garbageman #2
• 1988 · 976-EVIL as Mark Dark
• 1988 · China Beach as Dick Richard
• 1988 · China Beach: Pilot as Dr. Dick Richard
• 1988 · The Wonder Years as Coach Cutlip
• 1987 · Amazon Women on the Moon as Rick Raddnitz (segment "Roast Your Loved One")
• 1987 · The Man Who Fell to Earth as Agent Richard Morse
• 1987 · Innerspace as The Cowboy
• 1987 · 21 Jump Street as Ralph Buckley
• 1986 · L.A. Law as Lawyer John Dunphy
• 1985 · Amazing Stories as Tony Sepulveda
• 1985 · The Golden Girls as Dr. Revell
• 1985 · Legend as Meg Mucklebones
• 1985 · Explorers as Starkiller / Wak / Wak and Neek's Father
• 1983 · Scarecrow and Mrs. King as
• 1983 · The Other Woman as Chuchi
• 1982 · It Takes Two as
• 1982 · Newhart as
• 1982 · Silver Spoons as
• 1982 · Lois Gibbs and the Love Canal as Larry McGuinness
• 1979 · Archie Bunker's Place as
• 1978 · Taxi as Philip Polevoy
• 1976 · Alice as
• 1973 · Kojak as Thomas Rindone
• Future · Bad News on the Doorstep as