Special Guest Stars Debra Monk as Karen Brantley Guest Stars Matthew Jeffers as Dr. Mark Walsh Megan Byrne as Gladys Miller Mike Doyle as Martin McIntyre Conner Marx as Ben Meyer John Earl Jelks as Horace Reynolds Kathryn Prescott as Vanessa Bloom Patrick Cage as Canaan Ochoa Co Starring Em Grosland as Nurse Kai Brunstetter Stacey Raymond as Paramedic Kerry Whitaker Nicole Kafka as Nurse Franz John A. McGinty as Dr. Liam Sertic Dee Hoty as Alexis Luther Joy Sudduth as Alex "Alexandra" Dorsett Faiven Feshazion as Anesthesiologist Ben Beckley as Board Member John Krain Edan Heymann as Topher O'Grady Fatou Niang as Random Patient Mark Resnik as Patient Ali Rae Maddren as Patient Esme Stanley Allan Sherman as Patient Norbert Marietta LaFarge as Patient Stella Nathaniel Claridad as Patient Theo Briana Starks as Patient Luisa Barbara Kingsley as Patient Allyson Melinda Tanner as Esther Otley Johnny Cannizzaro as Fireman Michael Delaplane