Homer Simpson / Kodos / Krusty the Clown / Sideshow Mel (voice)

Marge Simpson / Patty Bouvier / Selma Bouvier / Jacqueline Bouvier (voice)

Bart Simpson / Nelson Muntz / Maggie Simpson / Ralph Wiggum / Kearney Zzyzwicz / Rod Flanders/ (voice)

Lisa Simpson (voice)

Kirk Van Houten / Moe Szyslak / Comic Book Guy / Gary Chalmers / Snake Jailbird / Professor Frink (voice)

Principal Skinner / Kang / Lenny Leonard / Reverend Lovejoy / Rainier Wolfcastle / Ned Flanders (voice)

Narrator (voice)

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

Dolph Shapiro / Various Kids at Oceanland (voice)

Morgan Freeman / Narwhal Wrapped in Plastic (voice)

Carl Carlson (voice)

Additional Voices (voice)

Bernice Hibbert / Ursula(voice)

Helen Lovejoy / Luann Van Houten (voice)