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 Sirena Gulamgaus as Amira Hamed Sugith Varughese as Dr. Aajay Singh John Hannah as Dr. Jed Bishop Linda E. Smith as Dr. Wendy Atwater Eddie Guilluame as Lou Katharine King So as Joanie Kwan Patrick Labbé as Dr. Thomas Mitchell Eugene Clark as Marcus Curtis Rebecca Amzallag as Sonya Jessup Julian Dezotti as Jason Jessup Elana Dunkelman as Ms. Fair Sonia Dhillon Tully as Navia Khan Evan Buliung as Benjamin's Dad Sid Michailidis as Manny Kowalski