Norbert Gastell (Homer Simpson), Elisabeth Volkmann (Marge Simpson), Sandra Schwittau (Bart Simpson), Sabine Bohlmann (Maggie Simpson / Lisa Marie Simpson), Dan Castellaneta (Boo Crowd / Yay Crowd / Casino Employee #3 / Krusty the Clown / Hillbilly / Man Rolling Dice / Raymond Babbitt / Squeaky-Voiced Teen / Rich Texan / Hippie Designer / Irish Worker / Mayor Quimby / Barney Gumble / Scott Christian / Man Crashing Car / Grampa), Julie Kavner (Patty Bouvier / Marge Simpson), Nancy Cartwright (Yay Crowd / Ralph Wiggum / Nelson Muntz / Germs / British Woman / Bart Simpson), Yeardley Smith (Yay Crowd / Lisa Simpson), Hank Azaria (Man in Audience / Gunter / Casino Employee #1 / Apu Nahasapeemapetilon / Captain McCallister / Man on Toilet / Amos), Harry Shearer (Boo Crowd / Yay Crowd / Casino Employee #4 / Man with Quarters / Casino Employee #2 / Tentacle / Ernst / Otto / British Designer / Smithers / Mr. Burns / Reverand Lovejoy / Ned Flanders / Principal Skinner / Kent Brockman / Henry Kissinger / Homeless Man )