Zeb Wells, Tom Root, Douglas Goldstein
Seth Green (Mario / Waluigi / Bullet Bill / Jareth the Goblin King / Toby Williams / Oscar the Grouch / North Vietnamese Soldier #2 / Various / Whammy), Abraham Benrubi (Bowser / Col. Samuel Trautman), Alex Borstein (Wonder Woman / Birdo), Maurice LaMarche (The Brain / Ricky Recycle-Bin / Therapist), Christina Laskay (Princess Peach / Whitney Cummings / Girl), Breckin Meyer (Superman / Luigi / North Vietnamese Soldier #1), Matthew Senreich (Boy / Styracosaurus / Man), Fred Tatasciore (John Rambo / Ernest the Grouch), Alan Tudyk (Pinky), Laurent Vernin ()