
| Title | Year | Status | Character |
|---|
| The Pebble and the Penguin | 1995 | | Drake (voice) |
| Daisy-Head Mayzie | 1995 | TV Short | Finagle (voice) |
| Turbocharged Thunderbirds | 1994-1995 | TV Series | The Atrocimator |
| Animated Stories from the Bible: Music Video - Volume 1 | 1994 | Video | God (voice) |
| Sonic the Hedgehog | 1994 | TV Series | King Acorn / Keeper of the Time Stones |
| Wing Commander III: Heart of the Tiger | 1994 | Video Game | Melek (voice) |
| Earth 2 | 1994 | TV Series | Gaal |
| The Little Mermaid | 1992-1994 | TV Series | The Evil Manta |
| Mighty Max | 1993-1994 | TV Series | Skullmaster Jules Verne |
| Aladdin | 1994 | TV Series | Kaleem / Caliph Kapok / Amok Mon-Ra |
| Dinosaurs | 1992-1994 | TV Series | Jean-Claude The Devil Winston ... |
| The Shadow | 1994 | | Farley Claymore |
| Extra Terrorestrial Alien Encounter | 1994 | Short | S.I.R. aka Simulated Intelligence Robotics (voice) |
| Gabriel Knight: Sins of the Fathers | 1993 | Video Game | Gabriel Knight Gedde Butler (voice) |
| Wild West C.O.W.-Boys of Moo Mesa | 1992-1993 | TV Series | Jacque Le Beefe |
| The Three Musketeers | 1993 | | Cardinal Richelieu |
| Tales from the Crypt | 1993 | TV Series | Pa Brackett / Ma Brackett / Winona Brackett |
| The Legend of Prince Valiant | 1991-1993 | TV Series | Sir Gawain |
| The Pirates of Dark Water | 1991-1993 | TV Series | Konk |
| Roseanne | 1993 | TV Series | Roger |
| Loaded Weapon 1 | 1993 | | Mr. Jigsaw |
| Steadfast Tin Soldier | 1992 | TV Movie | Jack-in-the-Box (voice) |
| Home Alone 2: Lost in New York | 1992 | | Concierge |
| Darkwing Duck | 1991-1992 | TV Series | Taurus Bulba |
| Batman: The Animated Series | 1992 | TV Series | Leon's Henchman / Robot Clown |
| Passed Away | 1992 | | Boyd Pinter |
| FernGully: The Last Rainforest | 1992 | | Hexxus (voice) |
| Defenders of Dynatron City | 1992 | TV Short | Atom Ed, the Floating Head (voice) |
| Capitol Critters | 1992 | TV Series | Senator |
| Fish Police | 1992 | TV Series | Sharkster |
| Peter Pan and the Pirates | 1990-1991 | TV Series | Captain James T. Hook |
| Big Deals | 1991 | TV Movie | Christopher Nissell |
| Oscar | 1991 | | Dr. Poole |
| Timeless Tales from Hallmark | 1991 | TV Series | Jack |
| TaleSpin | 1990 | TV Series | Thaddeos E. Klang |
| It | 1990 | TV Mini-Series | Pennywise |
| The Marzipan Pig | 1990 | TV Movie | Narrator (voice) |
| Tiny Toon Adventures | 1990 | TV Series | Prince Charles / Reginald |
| Wake, Rattle & Roll | 1990 | TV Series | Ronald Chump (1990) (voice) |
| The Adventures of Don Coyote and Sancho Panda | 1990 | TV Series | Additional Voices |
| The Hunt for Red October | 1990 | | Dr. Petrov |
| Paddington Bear | 1989-1990 | TV Series | Mr. Curry |
| Gravedale High | 1990 | TV Series | Mr. Tutner |
| The Easter Story | 1990 | Video short voice | |
| Fantastic Max | 1988-1989 | TV Series | Additional Voices |
| Wiseguy | 1989 | TV Series | Winston Newquay |
| The Tracey Ullman Show | 1989 | TV Series | Ian Miles |
| Long Ago and Far Away | 1989 | TV Series | Abel |
| Abel's Island | 1988 | Video short | Abelard 'Abel' Hassan de Chirico Flint (voice) |
| Pass the Ammo | 1988 | | Rev. Ray Porter |
| The Creation | 1988 | Video short | The Serpent (voice) |
| The Worst Witch | 1986 | TV Movie | The Grand Wizard |
| Ligmalion: A Musical for the 80s | 1985 | TV Movie | Eden Rothwell Esq. |
| Clue | 1985 | | Wadsworth |
| Legend | 1985 | | Darkness |
| Blue Money | 1985 | TV Movie | Larry Gormley |
| Video Stars | 1983 | TV Movie | Teddy Whazz |
| The Ploughman's Lunch | 1983 | | Jeremy Hancock |
| Annie | 1982 | | Rooster Hannigan |
| Oliver Twist | 1982/I | TV Movie | Bill Sikes |
| Times Square | 1980 | | Johnny LaGuardia |
| Wings of Ash: A Dramatization of the Life of Antonin Artaud | 1978 | Short | |
| The Sunday Drama | 1978 | TV Series | Leonard Brazil |
| Will Shakespeare | 1978 | TV Mini-Series | William Shakespeare |
| The Shout | 1978 | | Robert Graves |
| Rock Follies of '77 | 1977 | TV Series | Stevie Streeter |
| Three Men in a Boat | 1975 | TV Movie | Jerome |
| The Rocky Horror Picture Show | 1975 | | Dr. Frank-N-Furter - A Scientist |
| Play for Today | 1974 | TV Series | Glen |
| Napoleon and Love | 1974 | TV Mini-Series | Eugene |
| Armchair Theatre | 1973 | TV Series | Mik |
| Stage 2 | 1972 | TV Series | Madman |
| ITV Saturday Night Theatre | 1970 | TV Series | Crosscapel |
| Ace of Wands | 1970 | TV Series | Cashier |
| Television Theatre From... | 1968 | TV Series | Waiter |
| Long Drive Home | 2017 | Short | Monster Head AD (voice) |
| The Rocky Horror Picture Show: Let's Do the Time Warp Again | 2016 | TV Movie | The Criminologist - An Expert |
| Over the Garden Wall | 2014 | TV Mini-Series | Auntie Whispers |
| Ribbit | 2014 | | Terrence (English version, voice) |
| Bonta 3D | 2014 | | Papa Qi (voice) |
| Star Wars: The Clone Wars | 2012-2014 | TV Series | Darth Sidious Chancellor Palpatine |
| Randy Cunningham: 9th Grade Ninja | 2012-2014 | TV Series | The Sorcerer |
| Saving Santa | 2013 | Video | Neville Baddington (voice) |
| Ben 10: Omniverse | 2013 | TV Series | Forever King Joseph Chadwick / Stage Manager |
| Wonder Pets! | 2013 | TV Series | Tin Man |
| Gingerclown | 2013 | | Gingerclown (voice) |
| Young Justice | 2012-2013 | TV Series | G. Gordon Godfrey |
| What About Dick? | 2012 | Video | Reverend Whoopsie |
| Transformers: Rescue Bots | 2012 | TV Series | Doctor Morocco Dr. Morocco |
| Phineas and Ferb | 2008-2012 | TV Series | Worthington Dubois / Stubbings |
| The High Fructose Adventures of Annoying Orange | 2012 | TV Series | Plum Arugula |
| Strange Frame: Love & Sax | 2012 | | Dorlan Mig (voice) |
| Back to the Sea | 2012 | | Eric (voice) |
| The Outback | 2012 | | Blacktooth (voice) |
| The Voyages of Young Doctor Dolittle | 2011 | TV Movie | Doctor Dolittle (voice) |
| The North Star | 2010 | Video short voice | |
| Wolf Sheep | 2010 | | |
| Regular Show in Space | 2010 | TV Series | Master Prank Caller #2 / Hot Dog Leader |
| Burke and Hare | 2010 | | Doctor Monro |
| Criminal Minds | 2010 | TV Series | Billy Flynn |
| Cranford | 2009 | TV Series | Signor Brunoni |
| Alice | 2009 | TV Mini-Series | Dodo |
| Dragon Age: Origins | 2009 | Video Game | Arl Rendon Howe (voice) |
| Brütal Legend | 2009 | Video Game | Doviculus (voice) |
| Barbie and the Three Musketeers | 2009 | Video | Philippe (voice) |
| Curious George 2: Follow That Monkey! | 2009 | | Piccadilly (voice) |
| Ben 10: Alien Force | 2008 | TV Series | Dr. Joseph Chadwick Forever Knight #2 |
| Command & Conquer: Red Alert 3 | 2008 | Video Game | Premier Anatoly Cherdenko |
| Scooby-Doo and the Goblin King | 2008 | Video | The Goblin King (voice) |
| Agatha Christie's Poirot | 2008 | TV Series | Lord Boynton |
| The Secret of Moonacre | 2008 | | Coeur De Noir |
| The Color of Magic | 2008 | TV Mini-Series | Trymon |
| Fly Me to the Moon 3D | 2008 | | Yegor (voice) |
| Christmas in Wonderland | 2007 | | Gordon McLoosh |
| The Chosen One | 2007 | | Lucifer (voice) |
| Nicktoons: Attack of the Toybots | 2007 | Video Game | Professor Calamitous (voice) |
| Psych | 2007 | TV Series | Nigel St. Nigel |
| Xyber 9: New Dawn | 1999-2007 | TV Series | King Renard |
| Once Upon a Christmas Village | 2007 | Short | Sir Evil |
| Me, Eloise | 2006-2007 | TV Series | Mr. Salamone |
| A Sesame Street Christmas Carol | 2006 | Video | Narrator (voice) |
| Garfield: A Tail of Two Kitties | 2006 | | Prince (voice) |
| Queer Duck: The Movie | 2006 | Video | Peccary (voice) |
| The Jimmy Timmy Power Hour 2: When Nerds Collide | 2006 | TV Movie | Dr. Calamitous (voice) |
| Loonatics Unleashed | 2005 | TV Series | Ringmaster |
| Bailey's Billion$ | 2005 | | Caspar Pennington |
| The Adventures of Jimmy Neutron: Boy Genius | 2003-2005 | TV Series | Prof. Finbarr Calamitous |
| Higglytown Heroes | 2004-2005 | TV Series | Librarian Hero |
| Cecil | 2005 | Short | Narrator |
| Valiant | 2005 | | Von Talon (voice) |
| Duck Dodgers | 2005 | TV Series | Magnificent Rogue |
| ¡Mucha Lucha!: The Return of El Maléfico | 2005 | Video | El Maléfico (voice) |
| Nicktoons Unite | 2005 | Video Game | Prof. Calamitous |
| Four Horsemen of the Apocalypse | 2004 | Video Game | Satan (voice) |
| A Series of Unfortunate Events | 2004 | Video Game | Lemony Snicket (voice) |
| Kinsey | 2004 | | Thurman Rice |
| The Wild Thornberrys | 1998-2004 | TV Series | Nigel Thornberry / Additional Voices / Radcliffe / ... |
| Hey Arnold! | 1999-2004 | TV Series | Leichliter |
| Will & Grace | 2004 | TV Series | Marion Finster |
| Monk | 2004 | TV Series | Dale 'The Whale' Biederbeck |
| The Proud Family | 2003 | TV Series | Percival |
| ChalkZone | 2003 | TV Series | Jacko |
| The Adventures of Jimmy Neutron Boy Genius: Jet Fusion | 2003 | Video Game | Calamitous (voice) |
| Rugrats Go Wild | 2003 | | Nigel Thornberry (voice) |
| Rugrats Go Wild! | 2003 | Video Game | Nigel Thornberry (voice) |
| Teamo Supremo | 2002-2003 | TV Series | Lazer Pirate Dastardly Dentist Laser Pirate |
| Family Affair | 2002-2003 | TV Series | Mr. Giles French |
| Kids' Ten Commandments: The Not So Golden Calf | 2003 | Video short | Hazzaka (voice) |
| Ozzy & Drix | 2002 | TV Series | Nick O'Teen / Scarlet Fever |
| I, Crocodile | 2002 | Short | Narrator (voice) |
| Ritual | 2002 | | Matthew Hope |
| The Wild Thornberrys Movie | 2002 | | Nigel Thornberry Col. Radcliff Thornberry (voice) |
| Neko no ongaeshi | 2002 | | The Cat King (English version, voice) |
| Scooby-Doo: Night of 100 Frights | 2002 | Video Game | Mastermind (voice) |
| The Scoundrel's Wife | 2002 | | Father Antoine |
| Samurai Jack | 2002 | TV Series | Worm 1 |
| Teacher's Pet | 2001 | TV Series | Spooky |
| Barbie in the Nutcracker | 2001 | Video | Mouse King (voice) |
| Wolf Girl | 2001 | TV Movie | Harley Dune |
| The Wild Thornberrys: The Origin of Donnie | 2001 | TV Movie | Nigel Thornberry (voice) |
| Scary Movie 2 | 2001 | | Professor |
| Gary & Mike | 2001 | TV Series | Killer |
| Attila | 2001 | TV Mini-Series | Theodosius |
| Redwall | 2001 | TV Mini-Series | Slagar the Cruel |
| Sacrifice | 2000 | Video Game | Stratos (voice) |
| Rugrats in Paris: The Movie | 2000 | | Sumo Singer (voice) |
| Charlie's Angels | 2000 | | Roger Corwin |
| 100 Deeds for Eddie McDowd | 2000 | TV Series | The Rottweiler |
| Lion of Oz | 2000 | | Captain Fitzgerald (voice) |
| Rude Awakening | 1999-2000 | TV Series | Martin Crisp |
| Sorted | 2000 | | Damian Kemp |
| Four Dogs Playing Poker | 2000 | | Felix |
| Martial Law | 2000 | TV Series | The One |
| Voltron: The Third Dimension | 1998-2000 | TV Series | Prince Lotor King Alfor |
| Batman Beyond | 2000 | TV Series | Mutro Botha |
| Robots of Mars | 1999 | voice | |
| The Titanic Chronicles | 1999 | TV Movie | Officer Lightoller (voice) |
| The Unbelievables | 1999 | TV Movie | |
| Johnny Bravo | 1999 | TV Series | Big Brother |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned | 1999 | Video Game | Gabriel Knight (voice) |
| Pirates of the Plain | 1999 | | Jezebel Jack |
| Scooby-Doo and the Witch's Ghost | 1999 | Video | Ben Ravencroft (voice) |
| Recess | 1999 | TV Series | Dr. Slicer |
| Big Guy and Rusty the Boy Robot | 1999 | TV Series | Dr. Neugog |
| Bartok the Magnificent | 1999 | Video | The Skull (voice) |
| Jackie's Back! | 1999 | TV Movie | Edward Whatsett St. John |
| Pinky, Elmyra & the Brain | 1999 | TV Series | Monkman |
| The Rugrats Movie | 1998 | | Rex Pester (voice) |
| Jumanji | 1996-1998 | TV Series | Trader Slick |
| The Net | 1998 | TV Series | Sorcerer |
| Addams Family Reunion | 1998 | TV Movie | Gomez Addams |
| Where on Earth Is Carmen Sandiego? | 1998 | TV Series | Maelstrom |
| The Easter Story Keepers | 1998 | Video | Nero (voice) |
| Stories from My Childhood | 1998 | TV Series | The Beast |
| A Christmas Carol | 1997 | Video | Ebenezer Scrooge (voice) |
| Doom Runners | 1997 | TV Movie | Dr. Kao |
| Teen Angel | 1997 | TV Series | Frog |
| Beauty and the Beast: The Enchanted Christmas | 1997 | Video | Forte (voice) |
| Aaahh!!! Real Monsters | 1994-1997 | TV Series | Zimbo / Manager / Auggie / ... |
| The Spooktacular New Adventures of Casper | 1997 | TV Series | Pianist |
| Duckman: Private Dick/Family Man | 1994-1997 | TV Series | George Herbert Walker 'King' Chicken / Simon Desmond / Regine Poulet |
| Lexx | 1997 | TV Series | Poet Man |
| McHale's Navy | 1997 | | Maj. Vladikov |
| Mighty Ducks the Movie: The First Face-Off | 1997 | Video | Lord Dragaunus (voice) |
| Lexx: The Dark Zone Stories | 1997 | TV Mini-Series | The Poet |
| Freakazoid! | 1997 | TV Series | Dr. Mystico |
| Mighty Ducks | 1996-1997 | TV Series | Lord Dragaunus |
| Duckman | 1997 | Video Game | George Herbert Walker 'King' Chicken (voice) |
| Over the Top | 1997 | TV Series | Simon Ferguson |
| The Blues Brothers Animated Series | 1997 | TV Series | Don Kennedy / Principal Interest |
| The Mask | 1995-1997 | TV Series | Pretorius |
| Bruno the Kid: The Animated Movie | 1996 | Video | Lazlo Gigahurtz (voice) |
| Frankenstein: Through the Eyes of the Monster | 1996 | Video Game | Dr. Frankenstein |
| Muppets Treasure Island | 1996 | Video Game | Long John Silver |
| The Story of Santa Claus | 1996 | TV Movie | Nostros, the eldest elf (voice) |
| Quack Pack | 1996 | TV Series | Moltoc |
| Titanic | 1996 | TV Mini-Series | Simon Doonan |
| Gargoyles: The Goliath Chronicles | 1996 | TV Series | Dr. Anton Sevarius |
| Toonstruck | 1996 | Video Game | Count Nefarious (voice) |
| Adventures from the Book of Virtues | 1996 | TV Series | King Minos Gessler |
| Bruno the Kid | 1996 | TV Series | Lazlo Gigahurtz (voice) |
| Gargoyles | 1995-1996 | TV Series | Dr. Anton Sevarius |
| Captain Planet and the Planeteers | 1991-1996 | TV Series | MAL / Blight-5's Computer |
| Muppet Treasure Island | 1996 | | Long John Silver |
| The Naked Truth | 1995-1996 | TV Series | Sir Rudolph Haley Sir Rudolph Hailey |
| Lover's Knot | 1995 | | Cupid's Caseworker |
| Superhuman Samurai Syber-Squad | 1994-1995 | TV Series | Kilokahn |
| Congo | 1995 | | Herkermer Homolka |
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