Treehouse of Horror XX(2009)
Cast
Dan Castellaneta
Homer Simpson / Groundskeeper Willie / Krusty the Clown / Kodos (voice)
Julie Kavner
Marge Simpson (voice)
Nancy Cartwright
Bart Simpson / Ralph Wiggum / Todd Flanders (voice)
Yeardley Smith
Lisa Simpson (voice)
Hank Azaria
Moe Szyslak / Carl Carlson / Apu (voice)
Harry Shearer
Principal Skinner / Dr. Hibbert (voice)
