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 Shiva Kalaiselvan Dr. Leyla Shinwari Guest Star Desi Waters Liv Guest Star Mike Doyle Martin McIntyre Guest Star Matthew Jeffers ED Chief Resident Dr. Mark Walsh Guest Star Olivia Khoshatefeh ED Resident Yasmin Turan Guest Star Daniel Davis Vic Wallace Guest Star Sandra Mae Frank Dr. Elizabeth Wilder Guest Star Conner Marx Ben Meyer Guest Star Christopher Cassarino Dr. Ed Nottingham Guest Star Keren Lugo Dr. Diana Flores Guest Star Janet Sarno Debra Liu Guest Star Claudia Robinson Lottie Carlson Guest Star David Lambert Mr. Tucker Guest Star Jeff Kim Dr. Alan Kapralien Guest Star Mahalet Dejene Anesthesiologist Nyala Abebe Guest Star Renee Ternier Surgical Nurse Devers Guest Star Jenny Jules Serwa Sharpe Guest Star Elizabeth Arends Fiona Griffiths Guest Star Susan Slatin Mrs. Boulton Guest Star Francois Battiste Gene Montell Guest Star Darrie Lawrence Ms. Sandy Forsheim Guest Star Cliff Samara Malcom Guest Star Bari Hyman Silvia Guest Star Anabel Graetz Keysha Guest Star Suzan Perry Rhada Guest Star Kim Ramirez Anesthesiologist Alicia Smith Guest Star Nicole Kafka Circulating Nurse Franz Guest Star Jennifer Betit Yen OR Nurse Aimee Kamoe Guest Star James McDaniel Horace Reynolds 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 Darnell Martin Director Joshua Carlebach Writer