Guest Stars Jim Watson as Dr. Theo Hunter Ayisha Issa as Dr. June Curtis Torri Higginson as Claire Malone Laurence Leboeuf as Dr. Magalie "Mags" Leblanc Kenny Wong as Arnold De Luca Mariah Inger as Rhoda DaSilva Sugith Varughese as Dr. Aajay Singh John Hannah as Dr. Jed Bishop Linda E. Smith as Dr. Wendy Atwater Patrick Labbé as Dr. Thomas Mitchell Ahmad Meree as Omar Simon Anthony Abou-Fadel as Tyler MacCauley Eugene Clark as Marcus Curtis Alex Mallari Jr as Sully Claudia Gosselin as Nurse in Lounge Tyrone Benskin as Eddie Jennings Arlen Aguayo-Stewart as Greta Amanda Richer as Breanne Dorian Grey as Charles Curtis Duy Nguyen as Passerby Picardy Jean-Pierre as Nurse in Lounge Krystina Dejean as Nurse Richie Carole B. Thomas as Nurse Lily Connor Ellis as Cohen Giuseppe Calvinisti as David Friedman Sabri Attalah as Yousef Ahmad Peter Seaborne as Perry Aniko Kaszas as Alex Woodrum Tom Rooney as Dr. Terrence Mann Maria Herrera as Joan Sereno