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 Gord Rand as Dr. Mark Novak Rekha Sharma as Dr. Neeta Devi Marianne Farley as Elizabeth Bergeron Rick Roberts as Dr. Neil Olsen Jean Yoon as Lucy Sun-Yu Derek McGrath as Donald Wesley MacInnes as Ryan