James L. Brooks, Matt Groening, Sam Simon, Jim Reardon, Steven Dean Moore
Norbert Gastell (Homer Simpson), Elisabeth Volkmann (Marge Simpson), Sandra Schwittau (Bart Simpson), Sabine Bohlmann (Lisa Marie Simpson / Maggie Simpson), Dan Castellaneta ('I'm not angry any more!' / Sideshow Mel / Tram Conductor / Louie / Astronomer / Mayor Quimby / Museum Janitor / Grampa Simpson / Groundskeeper Willie / Krusty the Klown / Homer Simpson), Julie Kavner (Selma Bouvier / Marge Simpson), Nancy Cartwright (Maggie Simpson / Ralph Wiggum / Kearney / Nelson Muntz / Bart Simpson), Yeardley Smith (Lisa Simpson), Hank Azaria (Alien / Jimmy the Snitch / Lou / Chief Wiggum / Palm Reader / Carl / Moe Szyslak / Luigi / Captain McAllister / Professor Frink / Wiseguy), Harry Shearer (Otto / Lenny / Legs / Kent Brockman / Planetarium Voice / Principal Skinner)