Guest Stars Amber Riley as Mercedes Jones Mark Salling as Noah 'Puck' Puckerman Jayma Mays as Emma Pillsbury Harry Shum, Jr. as Mike Chang Iqbal Theba as Principal Figgins Dot-Marie Jones as Coach Shannon Beiste Mike O'Malley as Burt Hummel Romy Rosemont as Carole Hudson-Hummel Erinn Westbrook as Bree Co Starring Pamela Chan as Dottie Kazatori Dyllan Christopher as Student