The Simpsons — Season 4, Episode 12

• 
  Dan Castellaneta
  as Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)
• 
  Julie Kavner
  as Marge Simpson / Patty Bouvier / Selma Bouvier (voice)
• 
  Nancy Cartwright
  as Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)
• 
  Yeardley Smith
  as Lisa Simpson (voice)
• 
  Hank Azaria
  as Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)
• 
  Harry Shearer
  as Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)

• 
  Leonard Nimoy
  as Leonard Nimoy (voice)
• 
  Phil Hartman
  as Lyle Lanley (voice)

Writer:
Conan O'Brien

Director:
Rich Moore