| 2026 |
Star Trek: Starfleet Academy
TV
|
The Doctor |
| 2025 |
How Far Does the Dark Go?
MOVIE
|
Self |
| 2025 |
Werewolf Game
MOVIE
|
Bill |
| 2024 |
To the Journey: Looking Back at Star Trek: Voyager
MOVIE
|
Self |
| 2024 |
Space Command Redemption
MOVIE
|
Yusef Sekander |
| 2023 |
A Biltmore Christmas
MOVIE
|
Harold Balaban |
| 2022 |
Quantum Leap
TV
|
Dr. Edwin Woolsey |
| 2022 |
Confess, Fletch
MOVIE
|
Count Clementi Arbogastes De Grassi |
| 2022 |
MEAD
MOVIE
|
Admiral Gillette |
| 2022 |
Discontinued
MOVIE
|
Theodore |
| 2022 |
The Shuttlepod Show
TV
|
Self |
| 2021 |
Portal Runner
MOVIE
|
TV Salesman |
| 2021 |
Star Trek: Prodigy
TV
|
The Doctor (voice) |
| 2021 |
CSI: Vegas
TV
|
Carlo Rey |
| 2021 |
Deck the Heart
MOVIE
|
Larry Link |
| 2021 |
After Masks
MOVIE
|
Dr. Robinson (Past Cure Segment) |
| 2020 |
Star Trek Day
TV
|
Self |
| 2020 |
Unbelievable!!!!!
MOVIE
|
Boris / Edgar Allan Putz |
| 2020 |
Superhuman: The Invisible Made Visible
MOVIE
|
Self - Special Guest |
| 2020 |
Stars in the House
TV
|
Self |
| 2020 |
Mythic Quest
TV
|
Principal Taggart |
| 2019 |
Dickinson
TV
|
Ithamar Conkey |
| 2019 |
Ben, frankly.
MOVIE
|
Caesar |
| 2019 |
Torn
MOVIE
|
Rabbi |
| 2018 |
Buttons
MOVIE
|
Mr. Wentworth |
| 2018 |
Station 19
TV
|
Mr. Nelligan |
| 2017 |
Young Sheldon
TV
|
Professor Salzman |
| 2017 |
The Orville
TV
|
Ildis Kitan |
| 2017 |
A Bad Feeling
MOVIE
|
Self |
| 2017 |
The Good Fight
TV
|
Arbiter Alan Mannheim |
| 2016 |
Justice League Action
TV
|
Harvey Dent / Two-Face (voice) |
| 2016 |
The Father and the Bear
MOVIE
|
Charlie |
| 2016 |
The Meddler
MOVIE
|
Cos |
| 2016 |
Hail, Caesar!
MOVIE
|
Rabbi |
| 2016 |
Lucifer
TV
|
Yuri |
| 2016 |
Cozmo's
MOVIE
|
Wender |
| 2015 |
Occupants
MOVIE
|
Dr Alan Peterson |
| 2015 |
Star Trek: Renegades
MOVIE
|
Dr. Zimmerman |
| 2015 |
Mansion of Blood
MOVIE
|
Samuel Corbett |
| 2014 |
The Flash
TV
|
Dexter Myles |
| 2014 |
The Flash
TV
|
Dexter Myles (voice) |
| 2014 |
Don't Blink
MOVIE
|
Man in Black |
| 2014 |
Infiltrators
MOVIE
|
Reverend Quaid |
| 2014 |
Age of Tomorrow
MOVIE
|
General Magowan |
| 2014 |
That Guy Dick Miller
MOVIE
|
Self |
| 2013 |
The Captains Close Up
TV
|
Self |
| 2012 |
Spirit Hunters
MOVIE
|
Bob |
| 2012 |
Atlas Shrugged: Part II
MOVIE
|
Dr. Robert Stadler |
| 2012 |
The Inspector Chronicles
MOVIE
|
Bernard |
| 2012 |
Rock Jocks
MOVIE
|
Guard 1 |
| 2012 |
Perception
TV
|
A. Z. Weyland |
| 2012 |
The Legends of Nethiah
MOVIE
|
Grandpa / Sir Hanif |
| 2012 |
Camilla Dickinson
MOVIE
|
Mr. Stephanowski |
| 2012 |
The Client List
TV
|
Judge Hughes |
| 2011 |
Austin & Ally
TV
|
Dr. Grant |
| 2011 |
Beethoven's Christmas Adventure
MOVIE
|
Smirch |
| 2011 |
Jessie
TV
|
Cyril Lipton |
| 2011 |
Morlocks
MOVIE
|
Colonel Wichita |
| 2011 |
The Candidate
MOVIE
|
Carl Tucker |
| 2011 |
The Captains
MOVIE
|
Self |
| 2011 |
Femme Fatales
TV
|
Hieronymus Hawks |
| 2011 |
Happy Endings
TV
|
Mr. Logan |
| 2011 |
Body of Proof
TV
|
Henry Pedroni |
| 2011 |
Trail of Blood
MOVIE
|
Agent Weston |
| 2011 |
Harry's Law
TV
|
Annie's Psychiatrist |
| 2010 |
Mega Shark vs. Crocosaurus
MOVIE
|
Admiral Calvin |
| 2010 |
The Captains of The Final Frontier
MOVIE
|
Self |
| 2010 |
Monsterwolf
MOVIE
|
Stark |
| 2010 |
Hawaii Five-0
TV
|
C.I.A. Man |
| 2010 |
Quantum Quest: A Cassini Space Odyssey
MOVIE
|
Milton (voice) |
| 2010 |
Justified
TV
|
Karl Hanselman |
| 2010 |
The Odds
MOVIE
|
Dale Kakowski |
| 2009 |
Sensored
MOVIE
|
Wade Mixon |
| 2009 |
Stargate Universe
TV
|
Richard Woolsey |
| 2009 |
Castle
TV
|
Clark Murray |
| 2009 |
The Awakened
MOVIE
|
Maddox |
| 2008 |
P.J.
MOVIE
|
Stan Jamison |
| 2008 |
The Mentalist
TV
|
Jason Cooper |
| 2008 |
Ben 10: Race Against Time
MOVIE
|
Principal White |
| 2008 |
Universal Signs
MOVIE
|
Father Joe |
| 2007 |
Women's Murder Club
TV
|
Self |
| 2007 |
Pushing Daisies
TV
|
Detective Puget |
| 2007 |
Chuck
TV
|
Perseus |
| 2006 |
A.I. Assault
MOVIE
|
Dr. John Foster |
| 2006 |
40 Years of Star Trek
MOVIE
|
Self |
| 2005 |
Ben 10
TV
|
Leader Alien (voice) |
| 2005 |
Homecoming
MOVIE
|
Kurt Rand |
| 2005 |
Masters of Horror
TV
|
Self |
| 2005 |
E-Ring
TV
|
Self |
| 2005 |
Supernatural
TV
|
Wayne Whittaker Jr. |
| 2005 |
Bones
TV
|
Dr. Lawrence Rozran |
| 2005 |
The Closer
TV
|
Mr. Sheffield |
| 2005 |
Grey's Anatomy
TV
|
Mr. Nelligan |
| 2004 |
CSI: NY
TV
|
Sheriff Benson |
| 2004 |
Justice League Unlimited
TV
|
Amazo (voice) |
| 2004 |
Stargate Atlantis
TV
|
Richard Woolsey |
| 2004 |
The 4400
TV
|
Trent Appelbaum |
| 2003 |
Roddenberry on Patrol
MOVIE
|
The Doctor |
| 2003 |
Looney Tunes: Back in Action
MOVIE
|
Acme VP, Rhetorical Questions |
| 2003 |
Cold Case
TV
|
Arthur Lennox |
| 2003 |
The Lyon's Den
TV
|
Self |
| 2003 |
NCIS
TV
|
Dale Harding |
| 2003 |
Eve
TV
|
Professor Dunson |
| 2003 |
The O.C.
TV
|
Bill Merriam |
| 2003 |
Evil Con Carne
TV
|
Cod Commando (voice) |
| 2003 |
Unleashing the Beast: Making ‘The Howling’
MOVIE
|
Self |
| 2002 |
The Dead Zone
TV
|
Mitch McMurtry |
| 2002 |
Creating a Myth... the Memories of 'Legend'
MOVIE
|
Himself |
| 2001 |
Justice League
TV
|
Amazo (voice) |
| 2001 |
Justice League
TV
|
Blackhawk / Nazi Soldier (voice) |
| 2001 |
Justice League
TV
|
Blackhawk (voice) |
| 2001 |
Smallville
TV
|
Edward Teague |
| 2001 |
Crossing Jordan
TV
|
Bruno Casnelli |
| 2001 |
The Amati Girls
MOVIE
|
Grace's Doctor |
| 2000 |
Buzz Lightyear of Star Command
TV
|
Professor Reddschift (voice) |
| 1999 |
The West Wing
TV
|
E. Bradford Shelton |
| 1999 |
Star Trek: Voyager - Dark Frontier
MOVIE
|
The Doctor |
| 1998 |
Seven Days
TV
|
Self |
| 1998 |
Archibald the Rainbow Painter
MOVIE
|
Dr. Kurtz |
| 1998 |
Small Soldiers
MOVIE
|
Ralph, Clean Room Technician |
| 1997 |
Menno's Mind
MOVIE
|
Senator Taylor |
| 1997 |
The Second Civil War
MOVIE
|
Godfrey |
| 1997 |
Ally McBeal
TV
|
Barry Philbrick |
| 1997 |
Stargate SG-1
TV
|
Richard Woolsey |
| 1997 |
The Practice
TV
|
Dr. Edmunds |
| 1996 |
Star Trek: First Contact
MOVIE
|
Enterprise EMH |
| 1996 |
Star Trek: 30 Years and Beyond
MOVIE
|
Self |
| 1996 |
Early Edition
TV
|
Doctor |
| 1996 |
Sabrina, the Teenage Witch
TV
|
Bob Jacobs |
| 1995 |
Out There
MOVIE
|
Walter Danverstein (uncredited) |
| 1995 |
Dumb and Dumber
TV
|
Colonel Drab / Control Tower Voice (voice) |
| 1995 |
Dumb and Dumber
TV
|
Cook (voice) |
| 1995 |
Dumb and Dumber
TV
|
Chief (voice) |
| 1995 |
The Savage Dragon
TV
|
(voice) |
| 1995 |
The Outer Limits
TV
|
Emmet Harley |
| 1995 |
E! Inside Star Trek: Voyager
MOVIE
|
Himself |
| 1995 |
VR.5
TV
|
Self |
| 1995 |
What a Cartoon!
TV
|
Pfish (voice) |
| 1995 |
The New Explorers: The Science of Star Trek
MOVIE
|
Self |
| 1995 |
Star Trek: Voyager
TV
|
The Doctor |
| 1995 |
Launch of Star Trek: Voyager
MOVIE
|
Himself |
| 1995 |
Star Trek: Voyager - Inside the New Adventure
MOVIE
|
Host |
| 1994 |
The Pagemaster
MOVIE
|
Pirate (voice) |
| 1994 |
ER
TV
|
Abraham Zimble |
| 1994 |
Wagons East!
MOVIE
|
Ben Wheeler |
| 1994 |
Runaway Daughters
MOVIE
|
Mr. Cahn |
| 1994 |
Rebel Highway
TV
|
Mr. Cahn |
| 1994 |
White Mile
MOVIE
|
Tom Horton |
| 1994 |
Revenge of the Nerds IV: Nerds in Love
MOVIE
|
Chad Penrod |
| 1993 |
Fatal Deception: Mrs. Lee Harvey Oswald
MOVIE
|
David Lifton |
| 1993 |
Frasier
TV
|
Charlie Koechner |
| 1993 |
The Adventures of Brisco County, Jr.
TV
|
Puel |
| 1993 |
Matinee
MOVIE
|
Howard |
| 1993 |
Star Trek: Deep Space Nine
TV
|
Dr. Lewis Zimmerman / EMH Mark I |
| 1992 |
Deadly Matrimony
MOVIE
|
Prosecutor |
| 1992 |
Samantha
MOVIE
|
Neil Otto |
| 1992 |
A Murderous Affair: The Carolyn Warmus Story
MOVIE
|
David Lewis |
| 1992 |
Batman: The Animated Series
TV
|
Eddie G. (voice) |
| 1992 |
The Witches of Eastwick
MOVIE
|
Raymond Gentry |
| 1991 |
Violation of Trust
MOVIE
|
Dr. Raymond Gilmore |
| 1991 |
Home Improvement
TV
|
Joe Morton |
| 1991 |
Motorama
MOVIE
|
Jerry the Policeman |
| 1991 |
Frame Up
MOVIE
|
Frank Govers |
| 1991 |
Dinosaurs
TV
|
Clerk (voice) |
| 1991 |
Dinosaurs
TV
|
Ted (voice) |
| 1991 |
Dinosaurs
TV
|
Muse (voice) |
| 1991 |
L.A. Story
MOVIE
|
Voicephone (voice) (uncredited) |
| 1990 |
Gremlins 2: The New Batch
MOVIE
|
Forster |
| 1990 |
Total Recall
MOVIE
|
Johnnycab (voice) |
| 1989 |
Tales from the Crypt
TV
|
Frank Bobo |
| 1989 |
Loverboy
MOVIE
|
Dr. Reed Palmer |
| 1989 |
The 'Burbs
MOVIE
|
Joe, Garbageman #2 |
| 1989 |
The Cover Girl and the Cop
MOVIE
|
Denise's Date |
| 1988 |
976-EVIL
MOVIE
|
Mark Dark |
| 1988 |
Dead Heat
MOVIE
|
Lt. Herzog |
| 1988 |
Jack's Back
MOVIE
|
Dr. Carlos Battera |
| 1988 |
China Beach: Pilot
MOVIE
|
Dr. Dick Richard |
| 1988 |
China Beach
TV
|
Dick Richard |
| 1988 |
The Wonder Years
TV
|
Coach Cutlip |
| 1987 |
Paul Reiser: Out on a Whim
MOVIE
|
Self |
| 1987 |
Amazon Women on the Moon
MOVIE
|
Rick Raddnitz (segment "Roast Your Loved One") |
| 1987 |
The Man Who Fell to Earth
MOVIE
|
Agent Richard Morse |
| 1987 |
Bates Motel
MOVIE
|
Dr. Goodman |
| 1987 |
Innerspace
MOVIE
|
The Cowboy |
| 1987 |
Roses Are for the Rich
TV
|
Durant |
| 1987 |
Mr. President
TV
|
Reinbeck |
| 1987 |
21 Jump Street
TV
|
Ralph Buckley |
| 1987 |
Munchies
MOVIE
|
Bob Marvalle |
| 1986 |
Throb
TV
|
Self |
| 1986 |
L.A. Law
TV
|
John Dunphy |
| 1986 |
Back to School
MOVIE
|
Giorgio |
| 1985 |
Amazing Stories
TV
|
Tony Sepulveda |
| 1985 |
The Golden Girls
TV
|
Dr. Revell |
| 1985 |
Legend
MOVIE
|
Meg Mucklebones |
| 1985 |
Explorers
MOVIE
|
Starkiller / Wak / Wak and Neek's Father |
| 1983 |
Star 80
MOVIE
|
Interviewer |
| 1983 |
Scarecrow and Mrs. King
TV
|
Self |
| 1983 |
Get Crazy
MOVIE
|
O'Connell |
| 1983 |
The Other Woman
MOVIE
|
Chuchi |
| 1983 |
Dixie: Changing Habits
MOVIE
|
Harry Meadows |
| 1982 |
St. Elsewhere
TV
|
Eli Muzzy |
| 1982 |
It Takes Two
TV
|
Self |
| 1982 |
Newhart
TV
|
Self |
| 1982 |
Silver Spoons
TV
|
Louis Morgan |
| 1982 |
Lois Gibbs and the Love Canal
MOVIE
|
Larry McGuinness |
| 1981 |
Golden Gate
MOVIE
|
Self |
| 1981 |
The Violation of Sarah McDavid
MOVIE
|
Scott Crowell |
| 1981 |
The Howling
MOVIE
|
Eddie Quist |
| 1980 |
The Dream Merchants
TV
|
Mark Kessler |
| 1979 |
Archie Bunker's Place
TV
|
Self |
| 1978 |
Taxi
TV
|
Philip Polevoy |
| 1976 |
Alice
TV
|
Self |
| 1973 |
Kojak
TV
|
Thomas Rindone |
|
Bad News on the Doorstep
MOVIE
|
Self |