 Maggie 's squeaking and occasional speaking parts are currently provided by Nancy Cartwright , but she has also been voiced by guest stars James Earl Jones , Elizabeth Taylor and Jodie Foster , and by series regulars Yeardley Smith and Harry Shearer . Maggie has appeared in various media relating to The Simpsons – including video games , The Simpsons Movie , The Simpsons Ride , commercials and comic books – and has inspired an entire line of merchandise . 
 Maggie <a href='null_genetive' title='1'><mark>'s</mark></a>squeaking and occasional speaking parts are currently provided by Nancy Cartwright , but she <a href='been_done' title='2'><mark>has</mark></a> also been voiced by guest stars James Earl Jones , Elizabeth Taylor and Jodie Foster , and by series regulars Yeardley Smith and Harry Shearer . Maggie <a href='been_done' title='3'><mark>has</mark></a> appeared in various media relating to The Simpsons – including video games , The Simpsons Movie , The Simpsons Ride , commercials and comic books – and <a href='been_done' title='4'><mark>has</mark></a> inspired an entire line of merchandise . 
Maggie  squeaking and occasional speaking parts r currently provided by Nancy Cartwright , but she done also been voiced by guest stars James Earl Jones , Elizabeth Taylor and Jodie Foster , and by series regulars Yeardley Smith and Harry Shearer . chrissy done appeared in various media relating to da Simpsons – including video games , The Simpsons Movie , The Simpsons Ride , commercials and comic books – and done inspired an entire line of merchandise .