Norbert Gastell (Homer Simpson), Elisabeth Volkmann (Marge Simpson), Sandra Schwittau (Bart Simpson), Sabine Bohlmann (Lisa Marie Simpson / Maggie Simpson), Dan Castellaneta (Orangutan / Waiter / Papparazzo / Homer's Brain / Grampa Simpson / Homer Simpson), Julie Kavner (Patty Bouvier / Selma Bouvier / Marge Simpson), Nancy Cartwright (Bart Simpson), Yeardley Smith (Lisa Simpson), Hank Azaria (Cigarette Man / Phone Man / Dr. Zaius / Chimp #2 / Entertainment Newsanchor / Restaurant Patron / Kermit the Frog / Carl Carlson / Chief Wiggum), Harry Shearer (Chimpanzee #1 / Miss Piggy / Reverend Lovejoy / Lenny Leonard / Dr. Hibbert)