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)
Pamela Hayden
Milhouse Van Houten (voice)
Tress MacNeille
Agnes Skinner (voice)
Marcia Wallace
Edna Krabappel (voice)
Maggie Roswell
Maude Flanders (voice)
Chris Edgerly
(voice)
Karl Wiedergott
Additional Voices (voice)
Russi Taylor
Martin Prince (voice)
Kevin Michael Richardson
Dr. Hibbert (voice)
Alex Désert
Carl Carlson (voice)
Joe Mantegna
Fat Tony (voice)
Phil Hartman
Troy McClure (voice)
Grey DeLisle
Martin Prince (voice)
Kelsey Grammer
Sideshow Bob (voice)
Dawnn Lewis
Bernice Hibbert (voice)
Maurice LaMarche
Orson Welles (voice)
Jon Lovitz
Llewellyn Sinclair (voice)
Glenn Close
Mona Simpson (voice)
Jenny Yokobori
Kumiko Albertson (voice)
Jackie Mason
Hyman Krustofsky (voice)
Marcia Mitzman Gaven
Helen Lovejoy (voice)
Jane Kaczmarek
Constance Harm (voice)
Albert Brooks
Jacques (voice)
Kimberly Brooks
Janine Powell (voice)
Doris Grau
Lunchlady Doris (voice)
Jo Ann Harris
Weasel #2 / Richard / Lewis (voice)
Jan Hooks
Manjula Nahasapeemapetilon (voice)
Kerry Washington
Rayshelle Peyton (voice)
Valerie Harper
Nurse (voice)
Frank Welker
Lord Nibbler (voice)
Stacy Keach
Howard K. Duff VIII (voice) / Don Bookner (voice)
Dana Gould
Murphy (voice)
Michael York
Dr. Lionel Budgie (voice)
Eric Lopez
Bumblebee Man (voice)
Stephen Hawking
Stephen Hawking (voice)
