Billy West (Striped Biologist Taunter / Madfellow / Antonin Scalia's Head / The Dark One's Psychic Voice / Zapp Brannigan / Miniture Gold Construction Worker / President Richard Nixon's Head / Leo's Caddy / Poker Sign-Up Clerk / Leo Wong / Dr. Zoidberg / Professor Hu), Seth MacFarlane (Mars Vegas Singer), Penn Jillette (Penn Jillette's Head), Katey Sagal (Turanga Leela), Teller (Teller's Head), John DiMaggio (Randy / Sal / Elzar / Joey Mousepad / Bender), Hypnotoad (Himself), Tress MacNeille (Mom / Ruth Ginsberg's Head / Petunia / Linda van Schoonhoven / Dixie / Boobs Vanderbilt / Michael's Wife / Fanny), Maurice LaMarche (Calculon / Kif Kroker / Morbo / Fanny's Announcer / Donbot), Phil LaMarr (Preacherbot / The Dark One / Clarence Thomas's Head / Nixon's Bodyguard / Magna-Phallix Commercial Voice-Over / Hermes Conrad)
