Cast and credits of Treehouse of Horror XI

Dan Castellaneta
Homer Simpson / Abe Simpson / St. Peter / Satan / Quimby / Groundskeeper Willie / Sideshow Mel / Krusty / Kodos / Father Bear

Julie Kavner
Marge Simpson (voice) (as Ghoulie Kavner)

Nancy Cartwright
Bart Simpson / Boy Scout / Nelson Muntz / Baby / Goldilocks / Baby Bear (voice) (as Nancy Bartfright)

Yeardley Smith
Lisa Simpson (voice) (as Eleanor Roosevelt)

Hank Azaria
Captain McAllister / Carl / Chief Wiggum / Attendant / Frink / Troll / Moe Szyslak / Apu / Comic Book Guy (voice) (as Ernie Boo-Nick)

Harry Shearer
Lenny / Hibbert / George / Announcer / Kent Brockman / Snorky / Kang (voice) (as Harry 'I Want To Own Every Media In The World' Shearer)

Tress MacNeille
Agnes Skinner / Woman with Baby / Rapunzel / Witch / Woman / Mother Bear (voice) (as Terroress MacNeille)

Karl Wiedergott
(voice) (as The Dwarf From 'Don't Look Now')

Marcia Wallace
Edna Krabappel (voice) (uncredited)

Frank Welker
Dolphins / Three Bears Growls (voice) (uncredited)

Larina Jean Adamson