About Karl Wiedergott
Born 1969. Karl Wiedergott is a German voice actor, film actor and television actor.
Karl Wiedergott (born Karl Aloysious Treaton; February 8, 1969) is an American retired actor. He is noted for his voice work on the sitcom The Simpsons from 1998 to 2010, voicing background characters and some celebrities such as John Travolta and Bill Clinton. Wiedergott provided various voices on more than 200 episodes, his final appearance being in the season 22 episode "Donnie Fatso".
In 2005, Wiedergott decided to take a break from auditioning and concentrate solely on his work for The Simpsons. After the episode "Donnie Fatso", he not only quit the series, but he also retired from acting in general.
Filmography
Film
Television
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Important facts
People in Karl Wiedergott's life
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Contemporaries
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Frequently asked questions
Who is Karl Wiedergott?
American actor
When was Karl Wiedergott born?
Karl Wiedergott was born on 8 February 1969 in Berlin.
What is Karl Wiedergott's occupation?
Karl Wiedergott is a voice actor, film actor and television actor.
What nationality is Karl Wiedergott?
Karl Wiedergott is German.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Karl Wiedergott. https://biography.guide/karl-wiedergott/
MLA: "Karl Wiedergott." Biography.guide, https://biography.guide/karl-wiedergott/.
Chicago: "Karl Wiedergott." Biography.guide. https://biography.guide/karl-wiedergott/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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