Cast and credits of Treehouse of Horror XXIV

Rob Oliver

Dan Castellaneta
Homer Simpson / Grampa Simpson / Krusty the Clown / Groundskeeper Willie / Barney Gumble / Kodos / Arnie Pie (voice) (as Dan High-Fructose-Corn-Syrup)

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

Nancy Cartwright
Bart Simpson / Nelson Muntz / Ralph Wiggum (voice) (as NecroNance)

Yeardley Smith
Lisa Simpson (voice) (as The Longest Yeardley)

Hank Azaria
Moe Szyslak / Chief Wiggum / Comic Book Guy / Apu Nahasapeemapetilon / Bumblebee Man / Dr. Nick Riviera / The Bore Ax / Fighter Pilot (voice) (as Sh

Harry Shearer
Ned Flanders / Mr. Burns / Dr. Julius Hibbert / Principal Skinner / Kang / Lenny Leonard (voice)

Marcia Wallace
Edna Krabappel (voice) (as Macabre Marcia Wallace)

Pamela Hayden
Milhouse Van Houten (voice) (as Heinous Hayden)

Tress MacNeille
Agnes Skinner (voice) (as Terror MacNihilist)

Chris Edgerly
(voice) (as Chris 'Aaagh! The Pressure!' Edgerly)

Maggie Roswell
Miss Hoover / Therapist (voice) (as 'Moth-Eaten' Maggie Roswell)

The Hypnotoad
Himself (uncredited)

Larina Jean Adamson