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 Sugith Varughese as Dr. Aajay Singh John Hannah as Dr. Jed Bishop Linda E. Smith as Dr. Wendy Atwater Carlo Mestroni as Dr. Tom Duncan Paula Rivera as Maria Rodrigo Fernandez-Stoll as Javier Ambre Dioh-Dikongué as Eva Lorna Kidjo as Shawna