Guest Stars Sandra Mae Frank as Dr. Elizabeth Wilder Conner Marx as Ben Meyer Frances Turner as Dr. Lyn Malvo Michelle Forbes as Dr. Veronica Fuentes André Blake as Dr. Claude Baptiste Genevieve Angelson as Dr. Mia Castries Ryan Faucett as Trevor Vaughan Michael Siberry as Roderick Cantleigh Geoffrey Owens as Chris / Santa Nicholas Webber as Greg Treize Co Starring Nora Clow as Luna Opal Clow as Luna Olivia Khoshatefeh as Dr. Yasmin Turan Dimitri Carter as Orderly James Matt Bradford Sullivan as Dr. Reed Ketner Kimiye Corwin as Dr. Jan Matsudaira Dorcas Sowunmi as Dr. Iyawa Metzger Darwin Harris as Dr. Mike Frost Atibon Nazaire as Maintenance Worker Carl Lolita Foster as Administrator Ava Tomei Reece Santos as Cafeteria Tony Judith Lightfoot Clarke as Nurse Elinor HInsliff Ben Hollandsworth as Adam B Malachy Cleary as Milton Bradford Cover as Dr. Seamus Clemit Niall Powderly as Protesting Patient Leah Curney as Dr. Grey Daniella Alma as Hooligan Jenny Sterlin as Sheila Devon Caraway as Barista Tracy Mary Cruz as Partygoer 1 Sean Michael Bradley as Maintenance Worker Kate Goehring as Ruth Gleadle Hal Rothwell as Partygoer 2
