Voiceover artist has recorded more than 800 episodes of 'The Simpsons'

For more than 35 years, Nancy Cartwright has been playing the role of a lifetime as the voice of Bart Simpson. But now she's behind the mic for a different reason and fans of the spiky-haired boy won't be disappointed! For more, Nancy Cartwright joins.See omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.