| Back to the Sea | 2012 | Eric (voice) | Movie |
| Ben 10: Omniverse | 2012 | Forever King Joseph Chadwick / Stage Manager | TV Show |
| The Voyages of Young Doctor Dolittle | 2011 | Doctor Dolittle (voice) | TV Movie |
| Transformers: Rescue Bots | 2011 | Doctor Morocco / Dr. Morocco | TV Show |
| A Turtle's Tale: Sammy's Adventures | 2010 | Fluffy (voice) | Movie |
| Burke and Hare | 2010 | Doctor Monro | Movie |
| Young Justice | 2010 | G. Gordon Godfrey | TV Show |
| Wolf Sheep | 2010 | | Movie |
| Brütal Legend | 2009 | Doviculus (voice) | Unknown |
| Alice | 2009 | Dodo | TV Show |
| Curious George 2: Follow That Monkey! | 2009 | Piccadilly (voice) | Movie |
| Regular Show | 2009 | Master Prank Caller #2 / Hot Dog Leader | TV Show |
| Dragon Age: Origins | 2009 | Arl Rendon Howe (voice) | Unknown |
| Fly Me to the Moon | 2008 | Yegor (voice) | Movie |
| The Secret of Moonacre | 2008 | Coeur De Noir | Movie |
| The Color of Magic | 2008 | Trymon | TV Show |
| Ben 10: Alien Force | 2008 | Dr. Joseph Chadwick / Forever Knight #2 | TV Show |
| Star Wars: The Clone Wars | 2008 | Darth Sidious / Chancellor Palpatine | TV Show |
| Command & Conquer: Red Alert 3 | 2008 | Premier Anatoly Cherdenko | Unknown |
| Christmas in Wonderland | 2007 | Gordon McLoosh | Movie |
| The Chosen One | 2007 | Lucifer (voice) | Movie |
| Once Upon a Christmas Village | 2007 | Sir Evil | Short Film |
| Cranford | 2007 | Signor Brunoni | TV Show |
| Phineas and Ferb | 2007 | Worthington Dubois / Stubbings / Additional Voices | TV Show |
| Nicktoons: Attack of the Toybots | 2007 | Professor Calamitous (voice) | Unknown |
| Garfield: A Tail of Two Kitties | 2006 | Prince (voice) | Movie |
| The Jimmy Timmy Power Hour 2: When Nerds Collide | 2006 | Professor Calamitous (voice) | TV Movie |
| Me, Eloise | 2006 | Mr. Salamone | TV Show |
| Psych | 2006 | Nigel St. Nigel | TV Show |
| Wonder Pets! | 2006 | Tin Man | TV Show |
| Bailey's Billion$ | 2005 | Caspar Pennington | Movie |
| Valiant | 2005 | Von Talon (voice) | Movie |
| Criminal Minds | 2005 | Billy Flynn | TV Show |
| Loonatics Unleashed | 2005 | Ringmaster | TV Show |
| Nicktoons Unite | 2005 | Professor Calamitous (voice) | Unknown |
| Cecil | 2005 | Narrator | Short Film |
| Kinsey | 2004 | Thurman Rice | Movie |
| Higglytown Heroes | 2004 | Librarian Hero | TV Show |
| Lemony Snicket's A Series of Unfortunate Events | 2004 | Lemony Snicket (voice) | Unknown |
| Rugrats Go Wild | 2003 | Nigel Thornberry (voice) | Movie |
| Duck Dodgers | 2003 | Magnificent Rogue | TV Show |
| Rugrats Go Wild! | 2003 | Nigel Thornberry (voice) | Unknown |
| The Adventures of Jimmy Neutron Boy Genius: Jet Fusion | 2003 | Calamitous (voice) | Unknown |
| Ritual | 2002 | Matthew Hope | Movie |
| Neko no ongaeshi | 2002 | The Cat King (English version, voice) | Movie |
| The Scoundrel's Wife | 2002 | Father Antoine | Movie |
| The Wild Thornberrys | 2002 | Nigel Thornberry / Col. Radcliff Thornberry (voice) | Movie |
| ChalkZone | 2002 | Jacko | TV Show |
| Family Affair | 2002 | Mr. Giles French | TV Show |
| Monk | 2002 | Dale 'The Whale' Biederbeck | TV Show |
| Ozzy & Drix | 2002 | Nick O'Teen / Scarlet Fever | TV Show |
| Teamo Supremo | 2002 | Lazer Pirate / Dastardly Dentist / Laser Pirate | TV Show |
| The Adventures of Jimmy Neutron, Boy Genius | 2002 | Professor Calamitous | TV Show |
| Scooby-Doo: Night of 100 Frights | 2002 | Mastermind (voice) | Unknown |
| Dan Dare: Pilot of the Future | 2002 | Ivor | TV Show |
| I, Crocodile | 2002 | Narrator (voice) | Short Film |
| The Wild Thornberrys Movie | 2002 | Nigel Thornberry (voice) | Unknown |
| Scary Movie 2 | 2001 | Professor | Movie |
| Attila | 2001 | Theodosius | TV Show |
| The Wild Thornberrys: The Origin of Donnie | 2001 | Nigel Thornberry (voice) | TV Movie |
| Wolf Girl | 2001 | Harley Dune | Movie |
| Samurai Jack | 2001 | Worm 1 | TV Show |
| The Proud Family | 2001 | Percival | TV Show |
| Charlie's Angels | 2000 | Roger Corwin | TV Show |
| Four Dogs Playing Poker | 2000 | Felix | Movie |
| Lion of Oz | 2000 | Captain Fitzgerald (voice) | Movie |
| Rugrats in Paris | 2000 | Sumo Singer (voice) | Movie |
| Sorted | 2000 | Damian Kemp | Movie |
| Bette | 2000 | Tim Curry | TV Show |
| Teacher's Pet | 2000 | Spooky | TV Show |
| Sacrifice | 2000 | Stratos (voice) | Unknown |
| The Wild Thornberrys: Animal Adventures | 2000 | Nigel Thornberry (voice) | Unknown |
| The Wild Thornberrys: Rambler | 2000 | Nigel (voice) | Unknown |
| Tales from the Crypt | 2000 | Narrator | TV Show |
| Pirates of the Plain | 1999 | Jezebel Jack | Movie |
| Jackie's Back! | 1999 | Edward Whatsett St. John | TV Movie |
| The Unbelievables | 1999 | Vaudevillain | TV Movie |
| 100 Deeds for Eddie McDowd | 1999 | The Rottweiler | TV Show |
| Batman Beyond | 1999 | Mutro Botha | TV Show |
| Big Guy and Rusty the Boy Robot | 1999 | Dr. Neugog | TV Show |
| Redwall | 1999 | Slagar the Cruel | TV Show |
| The New Woody Woodpecker Show | 1999 | | TV Show |
| Xyber 9: New Dawn | 1999 | King Renard | TV Show |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned | 1999 | Gabriel Knight (voice) | Unknown |
| Robots of Mars | 1999 | | Movie |
| The Rugrats Movie | 1998 | Rex Pester (voice) | Movie |
| The First Snow of Winter | 1998 | Voley (voice) | Short Film |
| Martial Law | 1998 | The One | TV Show |
| Pinky, Elmyra & the Brain | 1998 | Monkman | TV Show |
| Rude Awakening | 1998 | Martin Crisp | TV Show |
| Stories from My Childhood | 1998 | The Beast | TV Show |
| The Net | 1998 | Sorcerer | TV Show |
| The Wild Thornberrys | 1998 | Nigel Thornberry / Additional Voices / Radcliffe / ... | TV Show |
| Voltron: The Third Dimension | 1998 | Prince Lotor / King Alfor | TV Show |
| Will & Grace | 1998 | Marion Finster | TV Show |
| Addams Family Reunion | 1998 | Gomez Addams | TV Movie |
| Gary & Mike Show | 1998 | Killer | TV Show |
| McHale's Navy | 1997 | Vladakov | Movie |
| Doom Runners | 1997 | Dr. Kao | TV Movie |
| Johnny Bravo | 1997 | Big Brother | TV Show |
| Over the Top | 1997 | Simon Ferguson | TV Show |
| Recess | 1997 | Dr. Slicer | TV Show |
| Teen Angel | 1997 | Frog | TV Show |
| The Blues Brothers Animated Series | 1997 | Don Kennedy / Principal Interest | TV Show |
| Duckman | 1997 | George Herbert Walker 'King' Chicken (voice) | Unknown |
| Lover's Knot | 1996 | Cupid's Caseworker | Movie |
| Muppet Treasure Island | 1996 | Long John Silver | Movie |
| Lexx | 1996 | Poet Man | TV Show |
| Titanic | 1996 | Simon Doonan | TV Show |
| Adventures from the Book of Virtues | 1996 | King Minos / Gessler | TV Show |
| Bruno the Kid | 1996 | Lazlo Gigahertz | TV Show |
| The Spooktacular New Adventures of Casper | 1996 | Pianist | TV Show |
| Hey Arnold! | 1996 | Leichliter | TV Show |
| Jumanji | 1996 | Trader Slick | TV Show |
| Mighty Ducks | 1996 | Lord Dragaunus | TV Show |
| Quack Pack | 1996 | Moltoc | TV Show |
| Frankenstein: Through the Eyes of the Monster | 1996 | Dr. Frankenstein | Unknown |
| Muppets Treasure Island | 1996 | Long John Silver | Unknown |
| Toonstruck | 1996 | Count Nefarious (voice) | Unknown |
| The Story of Santa Claus | 1996 | Nostros, the eldest elf (voice) | TV Movie |
| Congo | 1995 | Herkermer Homolka | Movie |
| The Pebble and the Penguin | 1995 | Drake (voice) | Movie |
| Daisy-Head Mayzie | 1995 | Finagle (voice) | TV Movie |
| Freakazoid! | 1995 | Dr. Mystico | TV Show |
| The Mask | 1995 | Pretorius | TV Show |
| The Naked Truth | 1995 | Sir Rudolph Haley | TV Show |
| The Shadow | 1994 | Farley Claymore | Movie |
| Extra Terrorestrial Alien Encounter | 1994 | S.I.R. aka Simulated Intelligence Robotics (voice) | Short Film |
| Aaahh!!! Real Monsters | 1994 | Zimbo / Manager / Auggie / ... | TV Show |
| Aladdin | 1994 | Kaleem / Caliph Kapok / Amok Mon-Ra | TV Show |
| Duckman: Private Dick/Family Man | 1994 | King Chicken / Simon Desmond / Regine Poulet | TV Show |
| Earth 2 | 1994 | Gaal | TV Show |
| Gargoyles | 1994 | Dr. Anton Sevarius | TV Show |
| Superhuman Samurai Syber-Squad | 1994 | Kilokahn | TV Show |
| Where on Earth Is Carmen Sandiego? | 1994 | Maelstrom | TV Show |
| Wing Commander III: Heart of the Tiger | 1994 | Melek / Kilrathi in-flight voices (voice) | Unknown |
| Turbocharged Thunderbirds | 1994 | The Atrocimator | TV Show |
| Loaded Weapon 1 | 1993 | Mr. Jigsaw | Movie |
| The Three Musketeers | 1993 | Cardinal Richelieu | Movie |
| The Wild West | 1993 | Oscar Wilde | TV Show |
| Mighty Max | 1993 | Skullmaster / Jules Verne | TV Show |
| Sonic the Hedgehog | 1993 | King Acorn / Keeper of the Time Stones | TV Show |
| Gabriel Knight: Sins of the Fathers | 1993 | Gabriel Knight / Gedde Butler (voice) | Unknown |
| FernGully: The Last Rainforest | 1992 | Hexxus (voice) | Movie |
| Home Alone 2: Lost in New York | 1992 | Concierge | Movie |
| Passed Away | 1992 | Boyd Pinter | Movie |
| Capitol Critters | 1992 | Senator | TV Show |
| Fish Police | 1992 | Sharkster | TV Show |
| Batman: The Animated Series | 1992 | Additional Voices / Robot Clown | TV Show |
| The Little Mermaid | 1992 | The Evil Manta | TV Show |
| Wild West C.O.W.-Boys of Moo Mesa | 1992 | Barney Finkleberg | TV Show |
| Defenders of Dynatron City | 1992 | Atom Ed, the Floating Head (voice) | TV Movie |
| Steadfast Tin Soldier | 1992 | Jack-in-the-Box (voice) | TV Movie |
| Oscar | 1991 | Dr. Poole | Movie |
| The Pirates of Dark Water | 1991 | Konk | TV Show |
| Darkwing Duck | 1991 | Taurus Bulba | TV Show |
| Dinosaurs | 1991 | Jean-Claude / The Devil / Winston / ... | TV Show |
| Liquid Television | 1991 | The Snake (segment "Meggamorphosis") | TV Show |
| The Legend of Prince Valiant | 1991 | Sir Gawain | TV Show |
| Big Deals | 1991 | Christopher Nissell | TV Movie |
| The Hunt for Red October | 1990 | Dr. Petrov | Movie |
| It | 1990 | Pennywise | TV Show |
| Captain Planet and the Planeteers | 1990 | MAL / Blight-5's Computer | TV Show |
| Gravedale High | 1990 | Mr. Tutner | TV Show |
| Wake, Rattle & Roll | 1990 | Ronald Chump (1990) (voice) | TV Show |
| Peter Pan and the Pirates | 1990 | Captain Hook / Peter Pan / King Kooh / ... | TV Show |
| Tiny Toon Adventures | 1990 | Prince Charles / Reginald | TV Show |
| TaleSpin | 1990 | Thaddeos E. Klang | TV Show |
| Tom & Jerry Kids Show | 1990 | Sheriff of Rottingham | TV Show |
| Timeless Tales from Hallmark | 1990 | Jack | TV Show |
| The Adventures of Don Coyote and Sancho Panda | 1990 | Additional Voices / Sultan | TV Show |
| The Marzipan Pig | 1990 | Narrator (voice) | TV Movie |
| Long Ago and Far Away | 1989 | Abel | TV Show |
| Poirot | 1989 | Lord Boynton | TV Show |
| Tales from the Crypt | 1989 | Pa Brackett / Ma Brackett / Winona Brackett | TV Show |
| Paddington Bear | 1989 | Mr. Curry | TV Show |
| Pass the Ammo | 1988 | Rev. Ray Porter | Movie |
| Fantastic Max | 1988 | Additional Voices / Dermot D. McDermott | TV Show |
| Roseanne | 1988 | Roger | TV Show |
| The Tracey Ullman Show | 1987 | Ian Miles | TV Show |
| Wiseguy | 1987 | Winston Newquay | TV Show |
| The Worst Witch | 1986 | The Grand Wizard | TV Movie |
| Clue | 1985 | Wadsworth | Movie |
| Legend | 1985 | Darkness | Movie |
| Blue Money | 1985 | Larry Gormley | TV Movie |
| The Greatest Adventure: Stories from the Bible | 1985 | Judas Iscariot / The Serpent | TV Show |
| The Ploughman's Lunch | 1983 | Jeremy Hancock | Movie |
| Video Stars | 1983 | Teddy Whazz | TV Movie |
| Annie | 1982 | Rooster | Movie |
| Oliver Twist | 1982 | Bill Sikes | TV Movie |
| Times Square | 1980 | Johnny LaGuardia | Movie |
| Tim Curry: I Do the Rock | 1979 | Tim Curry | Short Film |
| The Shout | 1978 | Robert Graves | Movie |
| Will Shakespeare | 1978 | William Shakespeare | TV Show |
| Wings of Ash: Pilot for a Dramatization of the Life of Antonin Artaud | 1978 | | Short Film |
| Rock Follies of '77 | 1977 | Stevie Streeter | TV Show |
| The Sunday Drama | 1977 | Leonard Brazil | TV Show |
| The Rocky Horror Picture Show | 1975 | Dr. Frank-N-Furter - A Scientist | Movie |
| Three Men in a Boat | 1975 | Jerome | TV Movie |
| Arena | 1975 | Eden Rothwell Esq. | TV Show |
| Napoleon and Love | 1974 | Eugene | TV Show |
| Stage 2 | 1971 | 2nd Madman | TV Show |
| Ace of Wands | 1970 | Cashier | TV Show |
| Play for Today | 1970 | Glen | TV Show |
| ITV Saturday Night Theatre | 1969 | Crosscapel | TV Show |
| Television Theatre From... | 1968 | Waiter | TV Show |
| Armchair Theatre | 1956 | Mik | TV Show |
| Dagon: Troll World Chronicles | | Necrofer the Death Bringer (voice) | Movie |
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