Guest Stars H. Jon Benjamin voices Jimmy Pesto Jr. Bobby Tisdale voices Zeke David Herman voices Mr. Frond Jenny Slate voices Tammy John Roberts voices Jocelyn Jay Johnston voices Jimmy Pesto David Herman voices Mr. Branca Sarah Silverman voices Ms. Schnur David Herman voices Tammy's Dad Larry Murphy voices Coach Blevins John Roberts voices Jocelyn's Mom Jenny Slate voices Sally John Roberts voices Horse Brooke Dillman voices Trish