Guest Stars David Lynch voices Gus Corey Holcomb voices Robert Tubbs Rebecca Romijn voices Speaker Rebecca Romijn voices Graduate Billy Dee Williams voices Lando Calrissian John Viener voices Scientist John Viener voices Waiter Snoop Dogg voices Himself Aseem Batra voices Rat Aseem Batra voices Graduate Tony Hawk voices Himself Carla Delaney voices Graduate Carla Delaney voices Joanna