Dan Castellaneta Homer Jay Simpson Voice Julie Kavner Marjorie Bouvier Simpson Voice Nancy Cartwright Bartholomew Jo-Jo "Bart" Simpson, Nelson Muntz Voice Yeardley Smith Lisa Marie Simpson Voice Hank Azaria Moe Szyslak Voice Harry Shearer Principal Seymour Skinner, Ned Flanders Voice Tress MacNeille Dolph Voice Pamela Hayden Milhouse Van Houten Voice Matthew Modine Dr. Stern Guest Voice Maurice LaMarche Various Guest Voice James L. Brooks Executive Producer Matt Groening Executive Producer Matt Selman Executive Producer