Apart from giving life to Bart, the actress is also the voice behind Maggie Simpson, Nelson Muntz, and Ralph Wiggum. However, it was Nancy who revealed the news after she was asked by fans on ...

Julie Kavner as Marge Simpson, Nancy Cartwright as Bart and Maggie Simpson, and Yeardley Smith as Lisa Simpson. “The Simpsons,” currently in its 36th season, airs Sundays at 8 p.m. ET on Fox.