Guest Stars Michael Kelly as Mark Snow Bridget Regan as Wendy McNally Selenis Leyva as Hosking Melonie Diaz as Paula Vasquez Lucas Caleb Rooney as Diski Michael Murphy as Congressman Hallen J. Bernard Calloway as Dayne Jack Gwaltney as Davis Bannerman Co Starring Tracey Ruggiero as Nurse John Fiore as Captain Womack Darien Sills-Evans as Tyrell Evans Allan Louis as Detective Olson Morgan Weed as Co-Worker Keren Dukes as Aide Helen Coxe as Claire Jeremy Beck as Matt Christina Gordon as Officer Demora