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 Jenny Slate voices Tammy Jay Johnston voices Jimmy Pesto Larry Murphy voices Edith H. Jon Benjamin voices Speedo Guy Larry Murphy voices Gretchen Tim Meadows voices Mike Pamela Adlon voices Olsen Benner David Herman voices Marshmallow Ken Jeong voices Dr. Yap Kumail Nanjiani voices Skip Brian Huskey voices Customer Keegan-Michael Key voices Cory Rob Huebel voices Newton