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 Mariah Inger as Rhoda DaSilva Sugith Varughese as Dr. Aajay Singh Gord Rand as Dr. Mark Novak Rekha Sharma as Dr. Neeta Devi Katharine King So as Joanie Kwan Patrick Labbé as Dr. Thomas Mitchell Deena Aziz as Dr. Sophia Fisher Ellen David as Dr. Evelyn Roche Joe Cobden as Alexander Gordon