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 Opal Clow as Luna Nora 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 Darwin Harris as Dr. Mike Frost Atibon Nazaire as Maintenance Worker Carl Dorcas Sowunmi as Dr. Iyawa Metzger Lolita Foster as Administrator Ava Tomei Reece Santos as Cafeteria Tony Judith Lightfoot Clarke as Nurse Elinor HInsliff Ben Hollandsworth as Adam B Devon Caraway as Barista Tracy Niall Powderly as Protesting Patient Leah Curney as Dr. Grey Daniella Alma as Hooligan Jenny Sterlin as Sheila Bradford Cover as Dr. Seamus Clemit Mary Cruz as Partygoer 1 Sean Michael Bradley as Maintenance Worker Kate Goehring as Ruth Gleadle Malachy Cleary as Milton Hal Rothwell as Partygoer 2
