Brainy (voice) / Brainy (voice; uncredited) / DJ (voice) / Brainy / DJ (voice) / Brainy / Mr. Packenham (voice) / Mop Guy (voice) / Chester (voice) / Big Man (voice) / Abner (voice) / Father (voice) / Brainy / Paper Boy (voice) / Brainy / Astronaut / Stockbroker (voice) / Arnold's Father (voice) / Brainy / Steel Mill Worker (voice) / Minister (voice) / Monkeyman (voice; uncredited) / Nashville Ned / Customer #1 (voice) / Movie Man / Steve (voice) / Cabbie / Party Clown (voice)