Guest Stars Isidora Goreshter as Svetlana Yevgenivna Dermot Mulroney as Sean Pierce Chloe Webb as Monica Gallagher Steve Kazee as Gus Pfender Sasha Alexander as Helene Runyon Michael Reilly Burke as Theo Wallace Bojana Novakovic as Bianca Samson Lenny Jacobson as Norbert Patrick Bristow as Bill
