2023
King on Screen as Self
2023
Meat Loaf - A Celebration Of Life as Self
2022
Who Done It: The Clue Documentary as Self (archive footage)
2021
Pennywise: The Story of ‘It’ as Himself
2021
Rocky Horror 45: The Movie as Self
2016
The More I Know as (voice)
2015
Meat Loaf: In and Out of Hell as Self - Interviewed in 1974 (archive footage)
2014
Over the Garden Wall as Auntie Whispers (voice) (1 episode)
2013
Saving Santa as Neville Baddington (voice)
2013
Axel: The Biggest Little Hero as Papa Qi
2013
Gingerclown as Gingerclown
2012
What About Dick? as Reverend Whoopsie
2012
Randy Cunningham: 9th Grade Ninja as The Sorcerer (voice) (52 episodes)
2012
Strange Frame: Love & Sax as Dorlan Mig (voice)
2012
Back To The Sea as Eric (voice)
2012
The Outback as Blacktooth (voice)
2011
The Voyages of Young Doctor Dolittle as Doctor Dolittle (voice)
2010
Young Justice as G. Gordon Godfrey (voice) (8 episodes)
2010
Burke & Hare as Dr. Monroe
2010
Regular Show as Hot Dog Leader (voice) (1 episode)
2010
Regular Show as Master Prank Caller #2 (voice) (1 episode)
2010
A Turtle's Tale: Sammy's Adventures as Fluffy (voice)
2009
Alice as Dodo (2 episodes)
2009
Barbie and the Three Musketeers as Philippe (voice)
2009
Curious George 2: Follow That Monkey! as Piccadilly (voice)
2009
The Secret of Moonacre as Coeur De Noir
2008
Starz Inside: Ladies or Gentlemen as Self
2008
Star Wars: The Clone Wars as Chancellor Palpatine (voice) (4 episodes)
2008
Star Wars: The Clone Wars as Chancellor Palpatine / Darth Sidious (voice) (2 episodes)
2008
Star Wars: The Clone Wars as Darth Sidious (voice) (4 episodes)
2008
Scooby-Doo! and the Goblin King as The Goblin King (voice)
2008
Fly Me to the Moon as Yegor (voice)
2008
Ben 10: Alien Force as Dr. Joseph Chadwick / Forever Knight #2 (voice) (1 episode)
2008
The Colour of Magic as Trymon (2 episodes)
2007
Christmas in Wonderland as McLoosh
2007
Cranford as Signor Brunoni (1 episode)
2007
The Chosen One as Lucifer
2007
Phineas and Ferb as Stubbings (voice) (1 episode)
2007
Eloise Goes to School
2006
Little Miss Christmas as Mr. Salamone
2006
A Sesame Street Christmas Carol as Narrator (voice)
2006
Me, Eloise as Mr. Salamone (voice) (13 episodes)
2006
Psych as Nigel St. Nigel (1 episode)
2006
Garfield: A Tail of Two Kitties as Prince (voice)
2006
Jimmy Timmy Power Hour 2: When Nerds Collide as Professor Finbarr Calamitous (voice)
2005
Criminal Minds as Billy Flynn (2 episodes)
2005
Loonatics Unleashed as The Ringmaster (voice) (3 episodes)
2005
Bailey's Billion$ as Caspar Pennington
2005
Valiant as Von Talon (voice)
2005
Mucha Lucha: The Return of El Malefico as El Maléfico (voice)
2003
Jimmy Neutron: Boy Genius -- Jet Fusion as Professor Calamitous (voice)
2003
Duck Dodgers as Magnificent Rogue (voice) (1 episode)
2003
Rugrats Go Wild as Nigel Thornberry (voice)
2002
The Wild Thornberrys Movie as Nigel Thornberry (voice)
2002
I, Crocodile as Narrator (voice)
2002
Ritual as Matthew Hope
2002
Ozzy & Drix as Nick O'Teen (voice) (1 episode)
2002
Ozzy & Drix as Scarlet Fever (voice) (1 episode)
2002
Family Affair as Mr. French (15 episodes)
2002
Pet Star as Self - Judge (1 episode)
2002
The Adventures of Jimmy Neutron: Boy Genius as Professor Calamitous (voice) (7 episodes)
2002
Monk as Dale 'The Whale' Biederbeck (1 episode)
2002
Creating a Myth... the Memories of 'Legend' as Himself
2002
I Love Muppets as Self
2002
The Scoundrel's Wife as Father Antoine
2002
Teamo Supremo as Laser Pirate (39 episodes)
2001
Barbie in the Nutcracker as Mouse King (voice)
2001
Wolf Girl as Harley Dune
2001
The Proud Family (1 episode)
2001
The Wild Thornberrys: The Origin of Donnie as Nigel Thornberry (voice)
2001
Samurai Jack as Worm 1 (voice) (1 episode)
2001
Scary Movie 2 as Prof. Oldman
2001
Attila as Theodosius (2 episodes)
2001
Gary & Mike as Killer (voice) (1 episode)
2000
Rugrats in Paris: The Movie as Sumo Singer (voice)
2000
Charlie's Angels as Roger Corwin
2000
Sorted as Damian Kemp
2000
Lion of Oz as Captain Fitzgerald (voice)
2000
Four Dogs Playing Poker as Felix
1999
Pirates of the Plain as Jezebel Jack
1999
Behind the Music: The Rocky Horror Picture Show as Self
1999
Scooby-Doo! and the Witch's Ghost as Ben Ravencroft (voice)
1999
The Brothers Flub as (voice) (1 episode)
1999
Xyber 9: New Dawn as King Renard (voice) (22 episodes)
1999
The Big Guy and Rusty the Boy Robot as Dr. Neugog (voice) (2 episodes)
1999
Redwall as Slagar (voice) (13 episodes)
1999
Bartok the Magnificent as The Skull (voice)
1999
Jackie's Back! as Edward Whatsett St. John
1999
Where Are They Now? as Self (1 episode)
1999
The Titanic Chronicles as (voice)
1998
Addams Family Reunion as Gomez Addams
1998
The Rugrats Movie as Rex Pester (voice)
1998
Will & Grace as Marion Finster (2 episodes)
1998
Voltron: The Third Dimension as Prince Lotor (voice) (26 episodes)
1998
The Wild Thornberrys as Nigel Thornberry (voice) (91 episodes)
1998
The Net as Sorcerer (22 episodes)
1997
A Christmas Carol as Ebenezer Scrooge (voice)
1997
Doom Runners as Dr. Kao
1997
Beauty and the Beast: The Enchanted Christmas as Forte (voice)
1997
Over the Top as Simon Ferguson (12 episodes)
1997
Teen Angel as Frog (voice) (1 episode)
1997
Super Nova as Poet Man
1997
Bruno the Kid: The Animated Movie as Lazlo Gigahurtz (voice) (archive footage)
1997
Lexx as Poet Man (1 episode)
1997
McHale's Navy as Maj. Vladikov
1997
Mighty Ducks the Movie: The First Face-Off as Lord Dragaunus (voice)
1996
The Story of Santa Claus as Nostros, the eldest elf (voice)
1996
Titanic as Simon Doonan (2 episodes)
1996
Hey Arnold! as Mr. Leichliter (voice) (1 episode)
1996
Bruno the Kid as Lazlo Gigahurtz (36 episodes)
1996
Jumanji as Trader Slick (voice) (40 episodes)
1996
Mighty Ducks: The Animated Series as Lord Dragaunus (voice) (26 episodes)
1996
Adventures from the Book of Virtues as King Minos (voice) (2 episodes)
1996
Lover's Knot as Cupid's Caseworker
1996
Muppet Treasure Island as Long John Silver
1995
The Naked Truth as Sir Rudolph Haley (2 episodes)
1995
Freakazoid! as Dr. Mystico (voice) (1 episode)
1995
The Rocky Horror Double Feature Video Show as Self
1995
The Mask: Animated Series (1 episode)
1995
The Mask: Animated Series as Pretorius (voice) (4 episodes)
1995
Congo as Herkermer Homolka
1995
The Pebble and the Penguin as Drake (voice)
1995
Daisy-Head Mayzie as Finagle (voice)
1994
Turbocharged Thunderbirds (1 episode)
1994
Superhuman Samurai Syber-Squad: The Glitch That Stole Christmas as Kilokahn (voice)
1994
Earth 2 as Gaal (4 episodes)
1994
Aaahh!!! Real Monsters as Zimbo (voice) (102 episodes)
1994
Gargoyles as Dr. Anton Sevarius (voice) (7 episodes)
1994
Superhuman Samurai Syber-Squad as Kilokahn (voice) (53 episodes)
1994
The Shadow as Farley Claymore
1994
Duckman (8 episodes)
1994
Duckman as King Chicken (42 episodes)
1994
Aladdin (2 episodes)
1994
Where on Earth is Carmen Sandiego? as Maelstrom (voice) (3 episodes)
1993
The Three Musketeers as Cardinal Richelieu
1993
Sonic the Hedgehog as King Acorn (voice) (3 episodes)
1993
Sonic the Hedgehog as King Acorn / Keeper of the Time Stones (voice) (1 episode)
1993
Darkwing Duck. His favorite adventures: Darkly Dawns The Duck as Taurus Bulba (voice)
1993
National Lampoon's Loaded Weapon 1 as Jigsaw
1992
Home Alone 2: Lost in New York as Concierge
1992
Wild West C.O.W.-Boys of Moo Mesa (26 episodes)
1992
The Little Mermaid as The Evil Manta (voice) (4 episodes)
1992
Eek! The Cat as Narrator (voice) (1 episode)
1992
Batman: The Animated Series as Leon's Henchman (voice) (1 episode)
1992
Batman: The Animated Series as Robot Clown (voice) (1 episode)
1992
Passed Away as Boyd Pinter
1992
FernGully: The Last Rainforest as Hexxus (voice)
1992
Fish Police as Sharkster (6 episodes)
1992
Defenders of Dynatron City as Atom Ed, The Floating Head (voice)
1992
Capitol Critters (13 episodes)
1991
Darkwing Duck (3 episodes)
1991
The Legend of Prince Valiant as Gawain (65 episodes)
1991
Dinosaurs as Chief Elder (voice) (1 episode)
1991
Dinosaurs as Fox Jacket (voice) (1 episode)
1991
Dinosaurs as Henri Poupon (voice) (1 episode)
1991
Dinosaurs as Jean-Claude (voice) (1 episode)
1991
Dinosaurs as Pterodactyl (voice) (1 episode)
1991
Dinosaurs as The Devil (voice) (1 episode)
1991
Dinosaurs as Winston (voice) (1 episode)
1991
Oscar as Dr. Thornton Poole
1991
The Pirates of Dark Water as Konk (voice) (21 episodes)
1991
Steadfast Tin Soldier as Jack-in-The-Box
1990
Tales from the Darkside as Pirate (voice)
1990
It as Pennywise (2 episodes)
1990
The Marzipan Pig as Narrator (voice)
1990
Tiny Toon Adventures as Reginald / Prince Charles (voice) (1 episode)
1990
Peter Pan & the Pirates as Captain Hook (voice) (65 episodes)
1990
TaleSpin as Thaddeos E. Klang (voice) (2 episodes)
1990
Tom & Jerry Kids Show as Mr. Banker of Ye Olde Fog Bank (voice) (1 episode)
1990
Tom & Jerry Kids Show as Sheriff of Rottingham (voice) (1 episode)
1990
Gravedale High as Mr. Tutner (13 episodes)
1990
Roger Waters: The Wall - Live in Berlin as Self - Vocals
1990
The Hunt for Red October as Dr. Petrov
1990
The Easter Story as Judas Iscariot (voice)
1989
Paddington Bear as Mr. Curry (13 episodes)
1989
Tales from the Crypt as Pa Brackett / Ma Brackett / Winona Brackett (1 episode)
1989
Agatha Christie's Poirot as Lord Boynton (1 episode)
1988
The Creation - Greatest Adventure Stories from the Bible as The Serpent (Voice)
1988
Abel's Island as Abel (voice)
1988
Pass the Ammo as Rev. Ray Porter
1987
Wiseguy (6 episodes)
1987
The Tracey Ullman Show as Ian Miles (81 episodes)
1986
The Worst Witch as The Grand Wizard
1985
Legend as Lord of "Darkness"
1985
Ligmalion: Or How to Help Yourself in Self-Help Britain as Eden Rothwell Esq.
1985
Blue Money as Larry Gormley
1983
Video Stars as Tommy Whazz
1983
The Ploughman's Lunch as Jeremy Hancock
1982
Annie as Rooster Hannigan
1982
Oliver Twist as Bill Sikes
1982
Lights, Camera, Annie! as Self / Rooster
1980
Times Square as Johnny LaGuardia
1979
Okay as Self (1 episode)
1978
The Shout as Robert Graves
1978
Will Shakespeare as William Shakespeare (6 episodes)
1978
Life of Shakespeare as William Shakespeare (6 episodes)
1978
Bio’s Bahnhof as Self (1 episode)
1976
Rock Follies as Stevie Streeter (12 episodes)
1975
Three Men in a Boat as Jerome K Jerome
1975
Saturday Night Live as Self - Host (1 episode)
1974
Napoleon and Love as Eugene (4 episodes)
1971
Disco as Self (1 episode)
1970
Play for Today as Glen (1 episode)
1970
Ace of Wands (1 episode)
1956
Armchair Theatre as Mick (249 episodes)
1953
The Oscars as Self (1 episode)