The Simpsons: Treehouse of Horror (2003)

Dan Castellaneta

Homer Simpson / Willie / Grampa Simpson/ Kodos/ Various (voice)

Julie Kavner

Marge Simpson / Patty Bouvier / Selma Bouvier (voice)

Nancy Cartwright

Bart Simpson / Nelson/ Todd Flanders / Ralph Wiggum (voice)

Yeardley Smith

Lisa Simpson (voice)

Hank Azaria

Moe Szyslak / Chief Wiggum/ Frink/ Comic Book Guy (voice)

Harry Shearer

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

Pamela Hayden

Milhouse Van Houten/ Jimbo Jones/ Rod Flanders (voice)

Russi Taylor

Martin Prince/ Uter / Wendell (voice)

Marcia Wallace

Edna Krabappel (voice)

James Earl Jones

Maggie Simpson (voice)

Doris Grau

Lunchlady Doris (voice)

Phil Hartman

Bill Clinton (voice)

Tress MacNeille

Agnes Skinner (voice)

Maggie Roswell

Maude Flanders (voice)

Trish Doolan

Pedestrian in the 'Real World'