Guest Stars Noah Munck as 'Naked' Rob Smith Matt Bush as Andy Cogan Kenny Ridwan as Dave Kim Shayne Topp as Matt Bradley Stephen Tobolowsky as Principal Earl Ball Ken Lerner as Lou Schwartz Jacob Hopkins as Chad Kremp Niko Guardado as Ruben Amaro, Jr. Augie Isaac as Matthew Schernecke Clancy Brown as Mr. Crosby Ali Ghandour as Dumb Doug Sloane Morgan Siegel as Jessie Wudders Thomas Kasp as Bradley Cooper Co Starring Sam Kindseth as David Sirota Chase Mangum as Psycho Mikowitz Maurin Mwonbela as Josh Millstein-Chang Clinton Jackson as Umpire Uncredited Patton Oswalt voices Narrator / Adult Adam Goldberg