Treehouse of Horror XXI(2010)
Cast
Dan Castellaneta
Homer Simpson / Kodos / Sideshow Mel / Grampa Simpson / Krusty the Clown (voice)
Julie Kavner
Marge Simpson / Selma Bouvier (voice)
Nancy Cartwright
Bart Simpson / Todd Flanders (voice)
Yeardley Smith
Lisa Simpson (voice)
Hank Azaria
Moe Szyslak / Chief Wiggum / Comic Book Guy / Professor Frink (voice)
Harry Shearer
Mr. Burns / Kang / Otto Mann (voice)
Pamela Hayden
Milhouse Van Houten / Rod Flanders (voice)
Hugh Laurie
Roger (voice)
