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 Eddie Guilluame as Lou Marianne Farley as Elizabeth Bergeron Ali Momen as Karim Esfahani Rick Roberts as Dr. Neil Olsen Mark Rendall as Elliot Bruce Horak as Dr. Adam Viri Peter MacNeill as Mac Hinkley Matt Raymond as Owen Rosenthal Sheila McCarthy as Vada Eric Peterson as Paul