Guest Stars Noah Munck as 'Naked' Rob Smith Matt Bush as Andy Cogan Shayne Topp as Matt Bradley Jennifer Irwin as Virginia Kremp Alison Rich as Valley Erica Jacob Hopkins as Chad Kremp Anna Grace Barlow as Lisa Levine Co Starring Chad Kremp as Charles F. Kremp III Jett Wilder as Punk Rocker Elise Metcalf as Girl on Stage Madeline McKenzie as Opera Singer Ally Young-Price as Audience Member Sonya Wallace as Lunch Lady Landon Klotz as Kevin the Human Tuba Arnie Pantoja as Store Manager Melvin Diggs as ROTC Guy Uncredited Patton Oswalt voices Narrator / Adult Adam Goldberg