Acting

2014

(1 episode) as Auntie Whispers (voice)

2012

(52 episodes) as The Sorcerer (voice)

2010		Young Justice (8 episodes) as G. Gordon Godfrey (voice)
2010		Regular Show (1 episode) as Master Prank Caller #2 (voice) (1 episode) as Hot Dog Leader (voice)

2009

(2 episodes) as Dodo

2008		Star Wars: The Clone Wars (2 episodes) as Chancellor Palpatine / Darth Sidious (voice) (4 episodes) as Darth Sidious (voice) (4 episodes) as Chancellor Palpatine (voice)
2008		Ben 10: Alien Force (1 episode) as Dr. Joseph Chadwick / Forever Knight #2 (voice)
2008		The Colour of Magic (2 episodes) as Trymon

2007		Cranford (1 episode) as Signor Brunoni
2007		Phineas and Ferb (1 episode) as Stubbings (voice)

2006		Me, Eloise (13 episodes) as Mr. Salamone (voice)
2006		Psych (1 episode) as Nigel St. Nigel

2005		Criminal Minds (2 episodes) as Billy Flynn
2005		Loonatics Unleashed (3 episodes) as The Ringmaster (voice)

2003

(1 episode) as Magnificent Rogue (voice)

2002		Ozzy & Drix (1 episode) as Nick O'Teen (voice) (1 episode) as Scarlet Fever (voice)
2002		Family Affair (15 episodes) as Mr. French
2002		Pet Star (1 episode) as Self - Judge
2002		The Adventures of Jimmy Neutron: Boy Genius (7 episodes) as Professor Calamitous (voice)
2002		Monk (2 episodes) as Dale 'The Whale' Biederbeck
2002		Teamo Supremo (39 episodes) as Laser Pirate

2001		The Proud Family (1 episode)
2001		Samurai Jack (1 episode) as Worm 1 (voice)
2001		Attila (2 episodes) as Theodosius
2001		Gary & Mike (1 episode) as Killer (voice)

2000

(1 episode)

1999		The Brothers Flub (1 episode) as (voice)
1999		Xyber 9: New Dawn (22 episodes) as King Renard (voice)
1999		The Big Guy and Rusty the Boy Robot (2 episodes) as Dr. Neugog (voice)
1999		Redwall (13 episodes) as Slagar (voice)
1999		Where Are They Now? (1 episode) as Self

1998		Will & Grace (2 episodes) as Marion Finster
1998		Voltron: The Third Dimension (26 episodes) as Prince Lotor (voice)
1998		The Wild Thornberrys (91 episodes) as Nigel Thornberry (voice)
1998		The Net (22 episodes) as Sorcerer

1997		Over the Top (12 episodes) as Simon Ferguson
1997		Teen Angel (1 episode) as Frog (voice)
1997		Lexx (1 episode) as Poet Man

1996		Titanic (2 episodes) as Simon Doonan
1996		Hey Arnold! (1 episode) as Mr. Leichliter (voice)
1996		Bruno the Kid (36 episodes) as Lazlo Gigahurtz
1996		Jumanji (40 episodes) as Trader Slick (voice)
1996		Mighty Ducks: The Animated Series (26 episodes) as Lord Dragaunus (voice)
1996		Adventures from the Book of Virtues (2 episodes) as King Minos (voice)

1995		The Naked Truth (2 episodes) as Sir Rudolph Haley
1995		Freakazoid! (1 episode) as Dr. Mystico (voice)
1995		The Mask: Animated Series (4 episodes) as Pretorius (voice) (1 episode)

1994		Earth 2 (4 episodes) as Gaal
1994		Aaahh!!! Real Monsters (102 episodes) as Zimbo (voice)
1994		Gargoyles (7 episodes) as Dr. Anton Sevarius (voice)
1994		Superhuman Samurai Syber-Squad (53 episodes) as Kilokahn
1994		Duckman (42 episodes) as King Chicken (8 episodes)
1994		Aladdin (2 episodes)
1994		Where on Earth is Carmen Sandiego? (3 episodes) as Maelstrom (voice)

1993

(3 episodes) as King Acorn (voice) (1 episode) as King Acorn / Keeper of the Time Stones (voice)

1992		Wild West C.O.W.-Boys of Moo Mesa (26 episodes)
1992		Eek! The Cat (1 episode) as Narrator (voice)
1992		The Little Mermaid (4 episodes) as The Evil Manta (voice)
1992		Batman: The Animated Series (1 episode) as Leon's Henchman (voice) (1 episode) as Robot Clown (voice)
1992		Fish Police (6 episodes) as Sharkster
1992		Capitol Critters (13 episodes)

1991		Darkwing Duck (3 episodes)
1991		The Legend of Prince Valiant (65 episodes) as Gawain
1991		Dinosaurs (1 episode) as Jean-Claude (voice) (1 episode) as The Devil (voice) (1 episode) as Winston (voice) (1 episode) as Chief Elder (voice) (1 episode) as Henri Poupon (voice) (1 episode) as Pterodactyl (voice) (1 episode) as Fox Jacket (voice)
1991		The Pirates of Dark Water (21 episodes) as Konk (voice)

1990		It (2 episodes) as Pennywise
1990		Tiny Toon Adventures (1 episode) as Reginald / Prince Charles (voice)
1990		Peter Pan & the Pirates (65 episodes) as Captain Hook (voice)
1990		TaleSpin (2 episodes) as Thaddeos E. Klang (voice)
1990		Gravedale High (13 episodes) as Mr. Tutner

1989		Paddington Bear (13 episodes) as Mr. Curry
1989		Tales from the Crypt (1 episode) as Pa Brackett / Ma Brackett / Winona Brackett
1989		Agatha Christie's Poirot (1 episode) as Lord Boynton

1987		Wiseguy (6 episodes)
1987		The Tracey Ullman Show (81 episodes) as Ian Miles

1979

(1 episode) as Self

1978		Will Shakespeare (6 episodes) as William Shakespeare
1978		Life of Shakespeare (6 episodes) as William Shakespeare
1978		Bio’s Bahnhof (1 episode) as Self

1976

(12 episodes) as Stevie Streeter

1975

(1 episode) as Self - Host

1974

(4 episodes) as Eugene

1971

(1 episode) as Self

1970		Play for Today (1 episode) as Glen
1970		Ace of Wands (1 episode)

1956

(249 episodes) as Mick

1953

(1 episode) as Self

Production

1997

(12 episodes) … Producer