Special Guest Stars Kevin Kline voices Calvin Fischoeder Guest Stars H. Jon Benjamin voices Jimmy Pesto Jr. Bobby Tisdale voices Zeke Brian Huskey voices Regular Sized Rudy Sarah Silverman voices Ollie Laura Silverman voices Andy Zach Galifianakis voices Felix Fischoeder Bill Hader voices Mickey Stephanie Beatriz voices Chloe Barbash Wendy Molyneux voices Jen Brian Huskey voices Sylvester Stieblitz David Wain voices Grover Fischoeder