- Dan Castellaneta (Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice))
- Julie Kavner (Marge Simpson / Patty Bouvier / Selma Bouvier (voice))
- Nancy Cartwright (Bart Simpson / Nelson Muntz / Ralph Wiggum (voice))
- Yeardley Smith (Lisa Simpson (voice))
- Hank Azaria (Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice))
- Harry Shearer (Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice))
The Simpsons — S8E1
Episode: Treehouse of Horror VII
Air Date: 1996-10-27
Runtime: 23 min
Overview
A Halloween trilogy. This time, Bart meets his "pure evil" Siamese twin; Lisa's science project attacks Bart; aliens Kang and Kodos invade as Clinton and Dole's replicas just before the 1996 Presidential election.