Guest Stars Minka Kelly as Gaby John Corbett as Seth Holt Mark Edward Smith as Principal Gomez Blake Young-Fountain as Arnie's Friend Jeff Rosick as Arnie Michael Emerson as Amazing Andy Aramis Knight as Judah June Carryl as Miss Hillary Maxim Knight as Henry Chad Addison as Two Other Guys in Cage #1 Julie Wittner as Amy Khleo Thomas as Guy in Cage Keith Campbell as Teacher Jered Solow as Two Other Guys in Cage #2