Guest Stars Kris McQuade as Barbara McCallum Noela Foxcroft as Mrs. Marsh Katie Robertson as Dr. Grace Howlett David Quirk as Damien Susie Youssef as Gez Charlotte Oldmeadow as Mikayla Hamish Michael as Steve Paul Peart-Smith as Martin Sara Pensalfini as Carol Simone Dobber as Rhonda Michael Edgar as Roger Jacob Golding as Teenager Tim Logan as Paul