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 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 Katharine King So as Joanie Kwan Nora Guerch as Rania Qadi Charlotte Legault as Melissa Hunter Maya Fellen as Grace Hunter Orélie Boire as Abby Hunter Kamaia Fairburn as Lizzie Jennifer Miller as Paramedic Jennifer Khadeem Kujabi as Firefighter Don Anderson as Dr. Sutton Daina Lachance-Raymond as Emily Parker Lenni-Kim Lalande as Lucas West Juliette Gosselin as Allie Watson Patricia Summersett as Sandra Parker