Special Guest Stars Joan Cusack as Sheila Jackson Dermot Mulroney as Sean Pierce Steve Kazee as Gus Pfender Guest Stars Michael Patrick McGill as Tommy Isidora Goreshter as Svetlana Yevgenivna Kellen Michael as Chuckie Slott Vanessa Bell Calloway as Carol Fisher Nichole Sakura as Amanda Rebecca Metz as Melinda Adam Cagley as Ron Kuzner Alessandra Balazs as Jackie Scabello Dichen Lachman as Angela Axle Whitehead as Davis David Storrs as Rinaldo Mallory Moye as RJ Co Starring Brenden Sims as Liam Gallagher J. Michael Trautmann as Iggy Milkovich Chris Stills as Chris Erick Lopez as Polo Jackson A. Dunn as Will Ileana Huxley as Nika Aaron Kirby as Arnie Rudy Galvan as Stumpy Tarquin Wilding as Gay Guy Lauren Plaxco as Nicole Kate Comer as Art Teacher Lynn Chao as Mary Evan Bruce as Wayne Kamal Hans as Patel Carlos Ayala as Salty Christopher Michael Moore as Fred Frank Clem as Joe Matthew Boylan as Honey