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 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 Linda E. Smith as Dr. Wendy Atwater Nora Guerch as Rania Qadi Michael Riley as William Hunter Sergio Di Zio as Fitz Mary Walsh as Nancy Whelan