| 2024 | Stream | Stream |
| 2023 | King on Screen | Self |
| 2023 | Meat Loaf - A Celebration Of Life | Self |
| 2021 | Pennywise: The Story of ‘It’ | Himself |
| 2021 | Rocky Horror 45: The Movie | Self |
| 2015 | Meat Loaf: In and Out of Hell | Self - Interviewed in 1974 (archive footage) |
| 2014 | Más allá del jardín (serie) | Auntie Whispers (voice) |
| 2014 | Ribbit. Una Pequeña Rana con un Gran Dilema | Terrence |
| 2014 | Star Wars: The Clone Wars — The Lost Missions | Darth Sidious (voice) |
| 2013 | Rescatando a Santa | Neville Baddington (voice) |
| 2013 | Axel: El pequeño gran héroe | Papa Qi |
| 2013 | Gingerclown | Gingerclown |
| 2012 | What About Dick? | Reverend Whoopsie |
| 2012 | Randy Cunningham: 9th Grade Ninja (serie) | The Sorcerer (voice) |
| 2012 | Strange Frame: Love & Sax | Dorlan Mig (voice) |
| 2012 | Back To The Sea | Eric (voice) |
| 2012 | Koala Kid | Blacktooth (voice) |
| 2011 | The Voyages of Young Doctor Dolittle | Doctor Dolittle (voice) |
| 2010 | La joven Liga de la Justicia (serie) | G. Gordon Godfrey (voice) |
| 2010 | Burke and Hare | Dr. Monroe |
| 2010 | Historias corrientes (serie) | Hot Dog Leader (voice) |
| 2010 | Las aventuras de Sammy | Fluffy (voice) |
| 2009 | Alicia (serie) | Dodo |
| 2009 | Barbie y Las tres mosqueteras | Philippe (voice) |
| 2009 | El secreto de la última luna | Coeur De Noir |
| 2008 | Starz Inside: Ladies or Gentlemen | Self |
| 2008 | Star Wars: The Clone Wars (serie) | Chancellor Palpatine (voice) |
| 2008 | Scooby-Doo y el rey de los duendes | The Goblin King (voice) |
| 2008 | Vamos a la Luna | Yegor (voice) |
| 2008 | Ben 10: Fuerza Alienígena (serie) | Dr. Joseph Chadwick / Forever Knight #2 (voice) |
| 2008 | El color de la magia (serie) | Trymon |
| 2007 | Cranford (serie) | Signor Brunoni |
| 2007 | The Chosen One | Lucifer |
| 2007 | Phineas y Ferb (serie) | Stubbings (voice) |
| 2007 | Eloise Goes to School | — |
| 2006 | Little Miss Christmas | Mr. Salamone |
| 2006 | A Sesame Street Christmas Carol | Narrator (voice) |
| 2006 | Me, Eloise (serie) | Mr. Salamone (voice) |
| 2006 | Queer Duck: The Movie | Peccary (voice) |
| 2006 | Psych (serie) | Nigel St. Nigel |
| 2006 | Garfield 2 | Prince (voice) |
| 2005 | Mentes criminales (serie) | Billy Flynn |
| 2005 | Lunáticos (serie) | The Ringmaster (voice) |
| 2005 | Bailey: una fortuna muy perruna | Caspar Pennington |
| 2005 | Valiant | Von Talon (voice) |
| 2005 | ¡Mucha Lucha!: El regreso de El Maléfico | El Maléfico (voice) |
| 2004 | Kinsey | Thurman Rice |
| 2003 | Duck Dodgers (serie) | Magnificent Rogue (voice) |
| 2003 | Los Rugrats: Vacaciones salvajes | Nigel Thornberry (voice) |
| 2002 | Los Thornberrys: La película | Nigel Thornberry (voice) |
| 2002 | I, Crocodile | Narrator (voice) |
| 2002 | Ozzy & Drix (serie) | Nick O'Teen (voice) |
| 2002 | Pet Star (serie) | Self - Judge |
| 2002 | Jimmy Neutrón: el niño genio (serie) | Professor Calamitous (voice) |
| 2002 | Monk (serie) | Dale 'The Whale' Biederbeck |
| 2002 | Creating a Myth... the Memories of 'Legend' | Himself |
| 2002 | Sombras del pasado | Father Antoine |
| 2002 | Teamo Supremo (serie) | Laser Pirate |
| 2001 | Barbie en El cascanueces | Mouse King (voice) |
| 2001 | La mujer lobo | Harley Dune |
| 2001 | Los Proud (serie) | — |
| 2001 | The Wild Thornberrys: The Origin of Donnie | Nigel Thornberry (voice) |
| 2001 | Samurai Jack (serie) | Worm 1 (voice) |
| 2001 | Atila, rey de los hunos (serie) | Theodosius |
| 2001 | Gary & Mike (serie) | Killer (voice) |
| 2000 | Los ángeles de Charlie | Roger Corwin |
| 2000 | Bette (serie) | — |
| 2000 | Sorted | Damian Kemp |
| 2000 | Muerte a la carta | Felix |
| 1999 | Pirates of the Plain | Jezebel Jack |
| 1999 | Behind the Music: The Rocky Horror Picture Show | Self |
| 1999 | Scooby-Doo y el fantasma de la bruja | Ben Ravencroft (voice) |
| 1999 | The Brothers Flub (serie) | (voice) |
| 1999 | Xyber 9: New Dawn (serie) | King Renard (voice) |
| 1999 | The Big Guy and Rusty the Boy Robot (serie) | Dr. Neugog (voice) |
| 1999 | Redwall (serie) | Slagar (voice) |
| 1999 | Bartok el magnífico | The Skull (voice) |
| 1999 | Jackie's Back! | Edward Whatsett St. John |
| 1999 | Where Are They Now? (serie) | Self |
| 1998 | La familia Addams: La reunión | Gomez Addams |
| 1998 | Voltron: The Third Dimension (serie) | Prince Lotor (voice) |
| 1998 | Los Thornberrys (serie) | Nigel Thornberry (voice) |
| 1998 | La Red (serie) | Sorcerer |
| 1997 | Doom Runners | Dr. Kao |
| 1997 | A Christmas Carol | Ebenezer Scrooge (voice) |
| 1997 | La bella y la bestia 2: Una navidad encantada | Forte (voice) |
| 1997 | Over the Top (serie) | Simon Ferguson |
| 1997 | Teen Angel (serie) | Frog (voice) |
| 1997 | Super Nova | Poet Man |
| 1997 | Bruno the Kid: The Animated Movie | Lazlo Gigahurtz (voice) (archive footage) |
| 1997 | La armada de McHale | Maj. Vladikov |
| 1997 | Lexx (serie) | Poet Man |
| 1997 | Los patos poderosos: La película | Lord Dragaunus (voice) |
| 1996 | The Story of Santa Claus | Nostros, the eldest elf (voice) |
| 1996 | ¡Oye, Arnold! (serie) | Mr. Leichliter (voice) |
| 1996 | Bruno the Kid (serie) | Lazlo Gigahurtz |
| 1996 | Jumanji (serie) | Trader Slick (voice) |
| 1996 | Los Campeones (serie) | Lord Dragaunus (voice) |
| 1996 | Adventures from the Book of Virtues (serie) | King Minos (voice) |
| 1996 | Lover's Knot | Cupid's Caseworker |
| 1996 | Los teleñecos en la Isla del Tesoro | Long John Silver |
| 1995 | The Naked Truth (serie) | Sir Rudolph Haley |
| 1995 | ¡Fenomenoide! (serie) | Dr. Mystico (voice) |
| 1995 | The Rocky Horror Double Feature Video Show | Self |
| 1995 | La máscara (serie) | Pretorius (voice) |
| 1995 | Congo | Herkermer Homolka |
| 1995 | Hubi, el pingüino | Drake (voice) |
| 1995 | Daisy-Head Mayzie | Finagle (voice) |
| 1994 | Turbocharged Thunderbirds (serie) | The Atrocimator |
| 1994 | Superhuman Samurai Syber-Squad: The Glitch That Stole Christmas | Kilokahn (voice) |
| 1994 | Tierra 2 (serie) | Gaal |
| 1994 | Aaahhh!!! Monstruos (serie) | Zimbo (voice) |
| 1994 | Gárgolas (serie) | Dr. Anton Sevarius (voice) |
| 1994 | Superhuman Samurai Syber-Squad (serie) | Kilokahn (voice) |
| 1994 | La sombra | Farley Claymore |
| 1994 | Duckman (serie) | King Chicken (voice) |
| 1994 | Aladdin (serie) | — |
| 1994 | En busca de Carmen Sandiego (serie) | Maelstrom (voice) |
| 1993 | Los tres mosqueteros | Cardinal Richelieu |
| 1993 | Sonic el Erizo (serie) | King Acorn (voice) |
| 1993 | Darkwing Duck. His favorite adventures: Darkly Dawns The Duck | Taurus Bulba (voice) |
| 1993 | Con el arma a punto | Jigsaw |
| 1992 | Solo en casa 2: Perdido en Nueva York | Concierge |
| 1992 | Wild West C.O.W.-Boys of Moo Mesa (serie) | — |
| 1992 | Eek! The Cat (serie) | Narrator (voice) |
| 1992 | La sirenita (serie) | The Evil Manta (voice) |
| 1992 | Batman: La Serie Animada (serie) | Leon's Henchman (voice) |
| 1992 | Hasta que tu muerte nos una | Boyd Pinter |
| 1992 | FernGully. Las aventuras de Zak y Crysta | Hexxus (voice) |
| 1992 | Fish Police (serie) | Sharkster |
| 1992 | Defenders of Dynatron City | Atom Ed, The Floating Head (voice) |
| 1992 | Capitol Critters (serie) | — |
| 1991 | Timeless Tales: The Steadfast Tin Soldier | Jack-in-The-Box |
| 1991 | El Pato Darwing (serie) | — |
| 1991 | El principe valiente (serie) | Gawain |
| 1991 | Dinosaurios (serie) | Chief Elder (voice) |
| 1991 | Oscar ¡Quita Las Manos! | Dr. Thornton Poole |
| 1991 | Los piratas de las aguas negras (serie) | Konk (voice) |
| 1990 | It (serie) | Pennywise |
| 1990 | The Marzipan Pig | Narrator (voice) |
| 1990 | Las aventuras de los Tiny Toon (serie) | Reginald / Prince Charles (voice) |
| 1990 | Peter Pan & the Pirates (serie) | Captain Hook (voice) |
| 1990 | Aventureros del aire (serie) | Thaddeos E. Klang (voice) |
| 1990 | Los pequeños Tom & Jerry (serie) | Mr. Banker of Ye Olde Fog Bank (voice) |
| 1990 | Gravedale High (serie) | Mr. Tutner |
| 1990 | The Easter Story | Judas Iscariot (voice) |
| 1989 | Historias de la cripta (serie) | Pa Brackett / Ma Brackett / Winona Brackett (segment "Death of Some Salesmen") |
| 1989 | Hércules Poirot (serie) | Lord Boynton |
| 1988 | The Creation - Greatest Adventure Stories from the Bible | The Serpent (Voice) |
| 1988 | Abel's Island | Abel (voice) |
| 1988 | Pass the Ammo | Rev. Ray Porter |
| 1987 | Wiseguy (serie) | — |
| 1987 | The Tracey Ullman Show (serie) | Ian Miles |
| 1986 | The Worst Witch | The Grand Wizard |
| 1985 | El juego de la sospecha (Cluedo) | Wadsworth |
| 1985 | Legend | Lord of "Darkness" |
| 1985 | Ligmalion: Or How to Help Yourself in Self-Help Britain | Eden Rothwell Esq. |
| 1983 | Video Stars | Tommy Whazz |
| 1983 | La comida del labrador | Jeremy Hancock |
| 1982 | Annie | Rooster Hannigan |
| 1982 | Lights, Camera, Annie! | Self / Rooster |
| 1980 | Times Square | Johnny LaGuardia |
| 1978 | El grito | Robert Graves |
| 1978 | Life of Shakespeare (serie) | William Shakespeare |
| 1978 | Bio’s Bahnhof (serie) | Self |
| 1975 | Three Men in a Boat | Jerome K Jerome |
| 1975 | Saturday Night Live (serie) | Self - Host |
| 1975 | The Rocky Horror Picture Show | Dr. Frank-N-Furter |
| 1974 | Schmoedipus | Glen |
| 1974 | Napoleon and Love (serie) | Eugene |
| 1973 | Vérité | Mik |
| 1971 | Disco (serie) | Self |
| 1970 | Play for Today (serie) | Glen |
| 1970 | Ace of Wands (serie) | — |
| 1953 | The Oscars (serie) | Self |
