Ryan Eggold Dr. Max Goodwin Actor Freema Agyeman Dr. Helen Sharpe Actor Janet Montgomery Dr. Lauren Bloom Actor Jocko Sims Dr. Floyd Reynolds Actor Tyler Labine Dr. Iggy Frome Actor Nora Clow Luna Guest Star Amy Clow Luna Guest Star Michelle Forbes Dr. Veronica Fuentes Guest Star Dorcas Sowunmi Dr. Metzger Guest Star Matt Bradford Sullivan Dr. Reed Ketner Guest Star Lolita Foster Administrator Ava Tomei Guest Star Ben Hollandsworth Adam B Guest Star Darwin Harris Dr. Mike Frost Guest Star Geoffrey Owens Santa Guest Star Ryan Faucett Trevor Vaughan Guest Star Frances Turner Dr. Lyn Malvo Guest Star Kimiye Corwin Dr. Jan Matsudaira Guest Star Andre Blake Dr. Claude Baptiste Guest Star Nicholas Webber Greg Treize Guest Star Olivia Khoshatefeh ED Resident Yasmin Turan Guest Star Sandra Mae Frank Dr. Elizabeth Wilder Guest Star Conner Marx Ben Guest Star Genevieve Angelson Dr. Mia Castries Guest Star Bradford Cover Dr. Seamus Clemit Guest Star Leah Curney Dr. Grey Guest Star Judith Lightfoot Clarke Nurse Elinor Hinsliff Guest Star Kate Goehring Ruth Gleadle Guest Star Daniella Alma Hooligan Guest Star Atibon Nazaire Janitor Carl Guest Star Devon Caraway Barista Tracy Guest Star Dimitri Carter Orderly James Guest Star Reece Santos Cafeteria Tony Guest Star Malachy Cleary Milton Guest Star Jenny Sterlin Sheila Guest Star Michael Siberry Roderick Cantleigh Guest Star Niall Powderly Protesting Patient Guest Star David Schulner Executive Producer Peter Horton Executive Producer Michael Slovis Executive Producer David Foster Executive Producer Aaron Ginsburg Executive Producer Shaun Cassidy Executive Producer Nick Gomez Director Graham Norris Writer