Nancy Cartwright (born October 25, 1957) is an American film and television actress, comedian and voice artist. She is best known for her long-running role as Bart Simpson on the animated television series The Simpsons. Cartwright voices other characters for the show, including Nelson Muntz, Ralph Wiggum, Todd Flanders, Kearney, and Database. Born in Dayton, Ohio, Cartwright moved to Hollywood in 1978 and trained alongside voice actor Daws Butler. Her first professional role was voicing Gloria in the animated series Richie Rich, which she followed with a starring role in the television movie Marian Rose White (1982) and her first feature film, Twilight Zone: The Movie (1983).
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