Most of Maggie's baby sounds are provided by Nancy Cartwright (whose primary "Simpsons" is playing Maggie's older brother Bart). On the rare occasions where Maggie does do more than squeal or suck ...
And let's not forget the Simpson kids--Bart, Lisa, and Maggie--who contributed ... The heroic act left the Baby Smithers an orphan, and as gratitude (at least, how I interpreted it.), ...
There aren't many human beings on Earth who couldn't pick Bart Simpson or Homer Simpson out of a line-up. As a result, the key members of its voice cast have snagged themselves a single job that could ...