Bart's Brain

Dan Castellaneta

Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)

Julie Kavner

Marge Simpson / Patty Bouvier / Selma Bouvier (voice)

Nancy Cartwright

Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)

Yeardley Smith

Lisa Simpson (voice)

Hank Azaria

Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)

Harry Shearer

Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)

Maggie Roswell

Elizabeth Hoover / Luann Van Houten (voice)

Grey DeLisle

Sherri / Terri (voice)

Kerry Washington

Rayshelle Peyton (voice)

Megan Mullally

Sarah Wiggum (voice)

Alex Désert

Carl Carlson (voice)

Dawnn Lewis

Bernice Hibbert (voice)

Tress MacNeille

Agnes Skinner (voice)

Pamela Hayden

Milhouse Van Houten (voice)

Chris Edgerly

(voice)