
| Title | Year | Status | Character |
|---|
| Lied in My Hart | 1970 | | Rudi |
| Majuba: Heuwel van Duiwe | 1968 | | |
| Miss Spider's Sunny Patch Friends | 2004-2007 | TV Series | Spiderus Cloud King Spiderus (US) |
| Xyber 9: New Dawn | 1999-2007 | TV Series | Machestro |
| Me, Eloise | 2006 | TV Series | |
| Mickey's Around the World in 80 Days | 2005 | Video | Ostrich (voice) |
| H.H. Holmes: America's First Serial Killer | 2004 | Documentary | Narrator (voice) |
| The Bard's Tale | 2004 | Video Game | Narrator (voice) |
| X-Men Legends | 2004 | Video Game | Magneto (voice) |
| Galleon | 2004 | Video Game | Areliano / Narrator (voice) |
| Hey Arnold! | 1996-2004 | TV Series | Rex Smythe-Higgins Voice in the Sky Doctor |
| Tom and Jerry - The Ultimate Classic Collection | 2004 | TV Series | |
| Teen Titans | 2004 | TV Series | Narrator |
| Champions of Norrath: Realms of EverQuest | 2004 | Video Game | Peles (voice) |
| Fallout: Brotherhood of Steel | 2004 | Video Game | Attis / Narrator (voice) |
| Legacy of Kain: Defiance | 2003 | Video Game | Elder God (voice) |
| Mace Griffin Bounty Hunter | 2003 | Video Game | Leader of the Rangers (voice) |
| The Lord of the Rings: The War of the Ring | 2003 | Video Game | Narrator (voice) |
| Armed & Dangerous | 2003 | Video Game | King (voice) |
| Civil War Combat: The Battle of Chickamauga | 2003 | TV Movie documentary | Narrator (voice) |
| Civil War Combat: Culp's Hill at Gettysburg | 2003 | TV Movie | Narrator (voice) |
| Lionheart: Legacy of the Crusader | 2003 | Video Game voice | |
| Lionheart | 2003 | Video Game voice | |
| Star Trek: Elite Force II | 2003 | Video Game | Archeopenda (voice) |
| Rugrats Go Wild | 2003 | | Dr. Lipschitz (voice) |
| Miss Spider's Sunny Patch Kids | 2003 | TV Movie | Spiderus (voice) |
| Freelancer | 2003 | Video Game | Chancellor Florian Gustov Niemann (voice) |
| The Jungle Book 2 | 2003 | | Shere Khan (voice) |
| Rugrats | 1992-2003 | TV Series | Dr. Lipschitz / Doctor / Rich Man / ... |
| Treasure Planet | 2002 | | Narrator (voice) |
| House of Mouse | 2001-2002 | TV Series | Magic Mirror Shere Khan Ostrich |
| Hunter: The Reckoning | 2002 | Video Game | Narrator (voice) |
| Draconus Cult of the Wyrm | 2002 | Video Game | Narrator (voice, uncredited) |
| The Gene Pool | 2001 | TV Movie | Renfeld |
| Star Trek: Armada II | 2001 | Video Game | USS Caddebostan Captain (voice) |
| Forgotten Realms: Baldur's Gate - Dark Alliance | 2001 | Video Game | Xantam The Beholder / Ethon (voice) |
| ReBoot | 1994-2001 | TV Series | Megabyte |
| ReBoot: My Two Bobs | 2001 | TV Movie | Megabyte (voice) |
| Return to Castle Wolfenstein | 2001 | Video Game | The Director (voice, uncredited) |
| Race to Space | 2001 | | Narrator (voice) |
| Soul Reaver 2 | 2001 | Video Game | Elder God (voice) |
| Dopey's Wild Mine Ride | 2001 | Video Game | Magic Mirror (voice) |
| The Legend of Tarzan | 2001 | TV Series | Poacher |
| Providence | 2001 | TV Series | |
| The Jungle Book: Rhythm 'n Groove | 2001 | Video Game | Shere Khan (voice) |
| Lloyd in Space | 2001 | TV Series | Dr. Werner Von Brain |
| Recess: School's Out | 2001 | | Dr. Rosenthal (voice) |
| Sacrifice | 2000 | Video Game | Mithras (voice) |
| Buzz Lightyear of Star Command | 2000 | TV Series | Dr. Animus |
| Johnny Bravo | 1999-2000 | TV Series | King Brad / Announcer |
| Forgotten Realms: Icewind Dale | 2000 | Video Game | Kresselack (voice) |
| Y2K: The Game | 1999 | Video Game | Mister Leopard (voice) |
| Planescape: Torment | 1999 | Video Game | The Transcendent One (voice) |
| Legacy of Kain: Soul Reaver | 1999 | Video Game | Elder God / Zephon (voice) |
| Austin Powers: The Spy Who Shagged Me | 1999 | | Narrator (voice, uncredited) |
| Mickey Mouse Works | 1999 | TV Series short | Ostrich |
| To Serve and Protect | 1999 | TV Mini-Series | Police Pathologist |
| Timon & Pumbaa | 1996-1999 | TV Series | Empress's Assistant / Jungle Inspector |
| Civil War Combat: America's Bloodiest Battles | 1999 | TV Series documentary | Narrator |
| Die by the Sword | 1998 | Video Game | Rastegar / Grub (voice) |
| An American Tail: The Treasure of Manhattan Island | 1998 | Video | Toplofty (voice) |
| The Rugrats Movie | 1998 | | Dr. Lipschitz (voice) |
| Titanic Explorer | 1998 | Video Game | Capt. Smith Sir Rufus Isaacs (voice) |
| Invasion America | 1998 | TV Series | The Dragit |
| Reboot | 1998 | Video Game | Megabyte (voice) |
| Fallout: A Post-Nuclear Role-Playing Game | 1997 | Video Game | The Lieutenant (voice) |
| Extreme Ghostbusters | 1997 | TV Series | Macrobe |
| Journey Into Chaos | 1997 | Short | Megabyte (voice) |
| Mighty Ducks the Movie: The First Face-Off | 1997 | Video | Wraith (voice) |
| Adventures from the Book of Virtues | 1997 | TV Series | King Darius |
| Mighty Ducks | 1996-1997 | TV Series | Wraith |
| Puss In Boots | 1997 | TV Movie | Narrator (voice) |
| Bruno the Kid: The Animated Movie | 1996 | Video | Jarlesburg (voice) |
| Pinky and the Brain | 1996 | TV Series | Egyptian Priest |
| The Savage Dragon | 1995-1996 | TV Series | Overlord |
| Spider-Man | 1996 | TV Series | Baron Mordo |
| The Tick | 1994-1996 | TV Series | Chairface Chippendale |
| Teenage Mutant Ninja Turtles | 1994-1996 | TV Series | Dregg Lord Dregg Alex Winter ... |
| Bruno the Kid | 1996 | TV Series | Jarlesburg |
| The Burning Zone | 1996 | TV Series | The Chairman |
| Superman | 1996 | TV Series | Sul-Van |
| Superman: The Last Son of Krypton | 1996 | TV Movie | Sul-Van (voice) |
| The Hunchback of Notre Dame | 1996 | | Frollo (voice) |
| Blood Omen: Legacy of Kain | 1996 | Video Game | Mortanius William the Just Dark Entity (voice) |
| All Dogs Go to Heaven 2 | 1996 | | Reginald (voice) |
| Animaniacs | 1996 | TV Series | Narrator |
| Captain Planet and the Planeteers | 1996 | TV Series | Yeti |
| Disney's Animated Storybook: The Hunchback of Notre Dame | 1996 | Video Game | Frollo (voice) |
| The Legend of Sarmoti: Siegfried & Roy | 1996 | TV Series voice | |
| The Twisted Tales of Felix the Cat | 1995-1996 | TV Series | Peeping Duck / Jaggo Doughnut / Mr.Wizard |
| Gargoyles | 1995 | TV Series | Anubis |
| Fantastic Four | 1994-1995 | TV Series | Galactus Terrax Nauseated Man on TV |
| Aaahh!!! Real Monsters | 1995 | TV Series | Frederick / Chief |
| Aladdin | 1995 | TV Series | Khartoum |
| Skeleton Warriors | 1994-1995 | TV Series | Golden Skull |
| Lois & Clark: The New Adventures of Superman | 1993-1995 | TV Series | Nigel St. John Nigel |
| Reboot: Fast Forward - The Making of 'Reboot' | 1995 | TV Movie | Megabyte (voice) |
| Beethoven | 1994 | TV Series | Watson |
| Scooby-Doo in Arabian Nights | 1994 | TV Movie | Additional Voices (voice) |
| Duckman: Private Dick/Family Man | 1994 | TV Series | |
| Thumbelina | 1994 | | Cow (voice, uncredited) |
| Picket Fences | 1994 | TV Series | Chief Rabbi |
| 2 Stupid Dogs | 1993 | TV Series | Chief / Chipmunk Criminal / Announcer #3 |
| Fugitive Nights: Danger in the Desert | 1993 | TV Movie | |
| The Adventures of Brisco County Jr. | 1993 | TV Series | Judge Silot Gatt |
| Sonic the Hedgehog | 1993 | TV Series | Guardian |
| The Little Mermaid | 1993 | TV Series | Wish Star |
| The Legend of Prince Valiant | 1991-1993 | TV Series | Cynan / Baron Alric / Magistrate |
| Tom & Jerry Kids Show | 1992 | TV Series | |
| Tom and Jerry: The Movie | 1992 | | Lickboot (voice) |
| King's Quest VI: Heir Today, Gone Tomorrow | 1992 | Video Game | Captain Saladin Gate Arch Druid ... (voice) |
| Jonah | 1992 | Video short voice | |
| Star Trek: The Next Generation | 1992 | TV Series | Third Minister Campio |
| Beasties | 1991 | Video | Frankie |
| Sisters | 1991 | TV Series | Charles Dickens |
| Who's the Boss? | 1991 | TV Series | Paul Murphy |
| Darkwing Duck | 1991 | TV Series | Grim Reaper |
| Night Court | 1991 | TV Series | Joseph Schiavelli |
| Dynasty: The Reunion | 1991 | TV Series | Dr. Jobinet |
| Eerie, Indiana | 1991 | TV Series | Sir Boris von Orloff |
| Beauty and the Beast | 1991 | | Monsieur D'Arque (voice) |
| Murphy Brown | 1991 | TV Series | Dr. Wade Benoit |
| Absolute Strangers | 1991 | TV Movie | Weisfeld |
| TaleSpin | 1990-1991 | TV Series | Shere Khan |
| Twin Peaks | 1990-1991 | TV Series | Dougie Milford |
| Matlock | 1991 | TV Series | John Bosley Hackett |
| Adventures in Odyssey: The Knight Travellers | 1991 | Video short | Fred J. Faustus (voice) |
| The Adventures of Don Coyote and Sancho Panda | 1990 | TV Series | Additional Voices |
| Peter Pan and the Pirates | 1990 | TV Series | Alf Mason (voice) |
| Rainbow Drive | 1990 | TV Movie | Max Hollister |
| His & Hers | 1990 | TV Series | Dr. Zimmerman |
| Christine Cromwell | 1990 | TV Series | |
| Newhart | 1989 | TV Series | Reginald Wooster |
| The New Lassie | 1989 | TV Series | Mr. Shepherd |
| Astérix et le coup du menhir | 1989 | | Narrator (English version, voice) |
| The Smurfs | 1989 | TV Series | Additional Voices |
| Beauty and the Beast | 1988-1989 | TV Series | Paracelcus |
| The Easter Story | 1989 | Video short | Caiaphas / Jerusalem Man #3 (voice) |
| Mr. Belvedere | 1989 | TV Series | Captain Peel |
| My Stepmother Is an Alien | 1988 | | Council Chief |
| Twins | 1988 | | Werner |
| Circus | 1988 | TV Movie | Conrad Simpson |
| Beverly Hills Buntz | 1988 | TV Series | Sheik Mohammed |
| Hunter | 1987 | TV Series | Father Michaels |
| The Golden Girls | 1987 | TV Series | Laszlo |
| Little Dorrit | 1987 | | Doctor |
| Greatest Adventure Stories from Bible | 1986 | TV Series | Caiaphas / Jerusalem Man #3 / God |
| Dempsey and Makepeace | 1985 | TV Series | Abe Moser |
| Nausicaä of the Valley of the Wind | 1984 | | Narrator (English version, voice) |
| The Agatha Christie Hour | 1982 | TV Series | Count Streptitch |
| Whoops Apocalypse | 1982 | TV Series | Bagatu |
| Time Bandits | 1981 | | Supreme Being (voice) |
| Timon of Athens | 1981 | TV Movie | Merchant |
| Escape | 1980 | TV Series | Colonel Jalbout |
| The Professionals | 1978 | TV Series | Foreign Observer 1 |
| The Greek Tycoon | 1978 | | Doctor |
| The XYY Man | 1977 | TV Series | Jacob Mahler |
| My Way II | 1977 | | Natie Kaplan |
| Love and Death | 1975 | | Vladimir Maximovitch |
| Six Days of Justice | 1975 | TV Series | Edwin Lovatt |
| The Hanged Man | 1975 | TV Mini-Series | Lazlo |
| Affairs of the Heart | 1975 | TV Series | Sir Luke Strett |
| The Sweeney | 1975 | TV Series | Lambourne |
| Within These Walls | 1975 | TV Series | Mr. Graham |
| The Case of Eliza Armstrong | 1974 | TV Series | Henry Poland QC |
| Justice | 1974 | TV Series | Mr. Papalonios |
| Fall of Eagles | 1974 | TV Mini-Series | Tsar Alexander III |
| Leatherlip | 1972 | | |
| My Way | 1972 | | Natie Kaplan |
| Taxi! | 1970 | | Red Kowalski |
| Sien jou môre | 1970 | | Prof. Ivan Ullman |
| Scotty & Co. | 1970 | | Ginger Sid |
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