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 John Hannah as Dr. Jed Bishop Gord Rand as Dr. Mark Novak Katharine King So as Joanie Kwan Fayçal Azzouz as Khaled Abdullah Gina O. James as Shay Gage Munroe as Cory Sochi Fried as Monika Babich Clare Coulter as Joanie Babich