Special Guest Stars Whoopi Goldberg as Carmen Tibideaux Guest Stars Amber Riley as Mercedes Jones Mike O'Malley as Burt Hummel Michael Lerner as Sidney Greene Dana Davis as Tesla Assaf Cohen as Doctor Ashley Blaine Featherson as Shaynice Co Starring Jeanette Brox as Assistant Stage Manager Edwin Garcia II as Mark Loyd Bateman as Alex Laura Jordan as Brooklynite Uncredited Saidah Arrika Ekulona as Nurse Lisa Dawn Rogolsky as NYADA Editing Student