Guest Stars Rosemarie DeWitt as Marie Sambrell Dempsey Bryk as Cal Nicholas Campbell as Russ Owen Teague as Trick Nicky Torchia as Trick Age 12 Michelle Giroux as English Teacher Sarah Abbott as Sara Age 9 Edie Inksetter as School Nurse Sabryn Rock as Pippa Matt Baram as Dr. Usborne Jenny Raven as Jasmine Aniya Hodge as Sara Age 3 Angela Vint as Anaesthetist Abby Quinn as Meryl Brenna Harding as Sara Sambrell Mckayla Twiggs as Meryl Age 9 Carlos Pinder as Man Who Finds Sara Michelle Cornelius as School Yard Teacher Jason Weinberg as Surgeon Paul Braunstein as Anthony Ronica Sajnani as Store Employee Kaleb Young as Cal Age 10 Kaden Stephen as Boy in Fight Tosh Robertson as Hiro Edward Charette as Young Man at the Park