| — | Relatively Super | Dr. Michael Moghson (voice) |
| 2024 | Butterfly in the Sky | Self (archive footage) |
| 2023 | Star Trek: Picard - The IMAX Live Series Finale Event | Captain Worf |
| 2023 | Glowzies | General Thomson |
| 2022 | The Shuttlepod Show | Self |
| 2021 | INVINCIBLE | Thokk / Battle Beast (voice) |
| 2021 | DOTA: Dragon's Blood | Asar (voice) |
| 2021 | Dogs in Space | Pistachio Soup (voice) |
| 2021 | Agent Revelation | Alastair |
| 2021 | The Center Seat: 55 Years of Star Trek | Self |
| 2021 | Woman in Motion | Self |
| 2020 | Star Trek: Picard | Captain Worf |
| 2020 | Unbelievable!!!!! | Real Robert Schmitt |
| 2020 | Superhuman: The Invisible Made Visible | Himself |
| 2019 | Wonder Woman: Bloodlines | Ferdinand (voice) |
| 2019 | The Ready Room | Self |
| 2019 | Entwined | Joe Reed |
| 2018 | What We Left Behind: Looking Back at Star Trek: Deep Space Nine | Self |
| 2017 | The Man from Earth : Holocene | Dr. Gil Parker |
| 2017 | Transformers: Titans Return | Fortress Maximus (voice) |
| 2017 | OK K.O.! Let's Be Heroes | Strike / I.M. Weasel |
| 2017 | Transformers: Titans Return | Fortress Maximus |
| 2016 | Justice League Action | Atrocitus (voice) |
| 2016 | 50 Years of Star Trek | Self |
| 2015 | Ted 2 | Rick |
| 2015 | Con Man | Michael Dorn |
| 2013 | Uncle Grandpa | Additional Voices (voice) |
| 2013 | Star Trek: The Next Generation - The Best of Both Worlds | Lt. Worf (archive footage) |
| 2013 | Zombeo & Juliécula | The Janitor |
| 2012 | Arrow | Prometheus (voice) (uncredited) |
| 2012 | Teenage Mutant Ninja Turtles | Captain Mozar / Triceraton Lieutenant (voice) |
| 2012 | Strange Frame: Love & Sax | Guardship Commander (voice) |
| 2012 | Liberator | General Pollard |
| 2012 | Reunification - 25 Years After Star Trek: The Next Generation | Self |
| 2012 | Heiter bis tödlich - Alles Klara | Hans Baum |
| 2012 | Shady Lady | Narrator |
| 2010 | The Regular Show | Thomas (voice) |
| 2010 | Family Guy Presents: It's a Trap! | Lieutenant Worf (voice) |
| 2009 | Castle | Carter Burke |
| 2009 | Bionicle: The Legend Reborn | Mata Nui (voice) |
| 2008 | Batman: Den tapre og modige | Kru'll / Bane (voice) |
| 2007 | Night Skies | Kyle |
| 2007 | Fist of the Warrior | Arnold Denton |
| 2007 | Fallen Angels | Taylor |
| 2007 | The Deep Below | Carl Bennet |
| 2006 | Heroes | U.S. President |
| 2006 | Julenissen 3 | Sandman |
| 2006 | A.I. Assault | General Buskirk |
| 2006 | All You've Got | Fireman Captain Diaz |
| 2006 | Voodoo Secrets | Narrator |
| 2005 | Ben 10 | Vicktor (voice) |
| 2005 | Descent | General Fielding |
| 2005 | Thru the Moebius Strip | King Tor (voice) |
| 2005 | Extraterrestrial | |
| 2004 | Danny Phantom | The Fright Knight (voice) |
| 2004 | Justice League Unlimited | Kalibak (voice) |
| 2004 | Cartoon Network Christmas: Yuletide Follies | I.M. Weasel (Voice) |
| 2004 | Star Trek's Favorite Moments | Himself |
| 2004 | The Gristle | Tar |
| 2004 | Earthlings: Ugly Bags of Mostly Water | Himself |
| 2003 | Spider-Man: The New Animated Series | Kraven the Hunter (voice) |
| 2003 | Shade | Jack Thornhill |
| 2003 | All Grown Up! | |
| 2003 | Kim Possible: A Sitch In Time | Rufus 3000 (voice) |
| 2003 | Duck Dodgers | Centurion Robot (voice) |
| 2003 | Evil Con Carne | Rupert the Green-Nosed Reindeer (voice) |
| 2003 | The Interplanetary Surplus Male and Amazon Women of Outer Space | The Bartender |
| 2003 | Lessons for an Assassin | Quinn |
| 2003 | Trials and Tribble-ations: Uniting Two Legends | Himself |
| 2002 | Star Trek: Nemesis | Lt. Commander Worf |
| 2002 | Julenissen 2 | Sandman |
| 2002 | Without a Trace | Nathan Riggs |
| 2002 | Through the Fire | Michael Collins |
| 2001 | Ali | Black Pilot |
| 2001 | Billy og Randi's Skumle eventyr | King Beardbottom / Clown / Dwarf #2 |
| 2001 | Justice League | Kalibak (voice) |
| 2001 | Justice League | Kalibak / Cop (voice) |
| 2001 | The Guardian | |
| 2001 | The Zeta Project | |
| 2001 | Mach 2 | Rogers |
| 2001 | Face Value | Hitman |
| 2000 | Static Shock | Reverend Anderson (voice) |
| 2000 | The Prophet's Game | Bob Bowman |
| 2000 | Shadow Hours | Det. Thomas Greenwood |
| 1999 | Family Guy | Lieutenant Worf (voice) |
| 1999 | Family Guy | Michael Dorn (voice) |
| 1999 | Hercules: Zero to Hero | Minotaur (voice) (archive sound) |
| 1999 | Starship Regulars | Captain Bellagen |
| 1998 | Star Trek: Insurrection | Lt. Commander Worf |
| 1998 | The Girl Next Door | Lieutenant Steve Driscoll |
| 1997 | Johnny Bravo | |
| 1997 | Ku og Kylling | I.M. Weasel (voice) |
| 1997 | I Am Weasel | I.M. Weasel (voice) |
| 1997 | I Am Weasel | Mexican Policeman (voice) |
| 1997 | I Am Weasel | Guy #2 (voice) |
| 1997 | I Am Weasel | Man #1 / Workman (voice) |
| 1997 | I Am Weasel | Neighbor #1 (voice) |
| 1997 | Trekkies | Self |
| 1997 | Menno's Mind | Simon |
| 1996 | Star Trek: First Contact | Lieutenant Commander Worf |
| 1996 | Dexters laboratorium | Robo Dexo 3000 (voice) |
| 1996 | Superman: The Animated Series | Kalibak (voice) |
| 1996 | Superman: The Animated Series | John Henry Irons (voice) |
| 1996 | Superman: The Animated Series | Steel / John Henry Irons (voice) |
| 1996 | 7th Heaven | Mr. Johnson |
| 1996 | The Pretender | Col. Lee Dance |
| 1996 | The Real Adventures of Jonny Quest | Tala (voice) |
| 1996 | Captain Simian & the Space Monkeys | Nebula (voice) |
| 1996 | Star Trek Story | Self |
| 1996 | Where Are All the UFO's? | Narrator (voice) |
| 1996 | The Making of Star Trek Deep Space Nine Trials And Tribble-ations | Self |
| 1996 | Hauntings Across America | Host |
| 1995 | The Outer Limits | Pete Claridge |
| 1995 | Virtual Combat | Virtual Voice of Dante (voice) |
| 1995 | Amanda & the Alien | Lieutenant Vint |
| 1995 | Street Fighter | Warrior King |
| 1995 | Star Trek: The Next Generation - Unification | Lt. Worf (archive footage) |
| 1995 | The Parent 'Hood | |
| 1995 | Star Trek: The Next Generation - Gambit | Lt. Worf (archive footage) |
| 1995 | Timemaster | Chairman |
| 1995 | Star Trek: Deep Space Nine - The Way of the Warrior | Worf |
| 1995 | Star Trek: The Next Generation - Time's Arrow | Lt. Worf (archive footage) |
| 1995 | The Savage Dragon | The Warrior King (voice) |
| 1995 | Santo Bugito | Darnold Dragonfly (voice) |
| 1994 | Star Trek: Generations | Lt. Commander Worf |
| 1994 | Gargoyles | Coldstone (voice) |
| 1994 | Aaahh!!! Real Monsters | Borl / Chauffer (voice) |
| 1994 | Aladdin | |
| 1994 | Fantastic Four | |
| 1994 | Journey's End - The Saga of Star Trek: The Next Generation | Self |
| 1994 | Sinnlos im Weltraum | Worf |
| 1993 | Star Trek: Deep Space Nine | Worf |
| 1993 | Star Trek: Deep Space Nine | Willie Hawkins |
| 1993 | SWAT Kats: The Radical Squadron | |
| 1993 | Star Trek: Deep Space Nine - Behind the Scenes | Worf |
| 1992 | Star Trek: The Next Generation - Chain of Command | Lt. Worf (archive footage) |
| 1992 | Out All Night | Rodney Lockhart |
| 1991 | Star Trek VI: The Undiscovered Country | Klingon Defense Attorney |
| 1991 | Dinosaurs | Elder in Chief (voice) |
| 1991 | Dinosaurs | Solomon The Great (voice) |
| 1991 | Dinosaurs | WeSaySoCorp Announcer (voice) |
| 1991 | Dinosaurs | Television Announcer (voice) |
| 1991 | Star Trek: 25th Anniversary Special | Self |
| 1991 | Star Trek: The Next Generation - Redemption | Worf, Son of Mogh (archive footage) |
| 1989 | Prisoners of Gravity | Self |
| 1988 | The Star Trek Saga: From One Generation to the Next | Self |
| 1987 | Star Trek: The Next Generation | Self |
| 1987 | Star Trek: The Next Generation | Worf |
| 1987 | Star Trek: The Next Generation - electronic press kit | Self |
| 1987 | Star Trek - Q Fan Collective | Worf |
| 1985 | Kniven er det eneste vitne | Dan Hislan |
| 1985 | 227 | |
| 1984 | Hunter | Highway Patrolman |
| 1984 | Punky Brewster | Councilman Weatherwax |
| 1984 | Charles in Charge | Officer |
| 1983 | Webster | Lt. Worf |
| 1981 | Maktkamp på Falcon Crest | |
| 1981 | Gimme a Break! | |
| 1979 | Knots Landing | Paramedic |
| 1977 | CHiPs | Jebediah Turner |
| 1976 | Rocky | Apollo Creed's Bodyguard (uncredited) |
