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 Linda E. Smith as Dr. Wendy Atwater Eddie Guilluame as Lou Patrick Labbé as Dr. Thomas Mitchell Fayçal Azzouz as Khaled Abdullah Eugene Clark as Marcus Curtis Alanna Bale as Laura Oluniké Adeliyi as Trey's Mother Dan Petronijevic as Officer C. Brent Fulvio Cecere as Michael Bailey Dwight Ireland as Trey's Father Thamela Mpumlwana as Trey