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 Mariah Inger as Rhoda DaSilva Sugith Varughese as Dr. Aajay Singh Rekha Sharma as Dr. Neeta Devi Katharine King So as Joanie Kwan Rick Roberts as Dr. Neil Olsen Masha Bashmakova as Nancy Kimberly-Sue Murray as Zola Gavin Fox as Brock