Guest Stars Sarah Beattie as Olivia Spector Bronagh Taggart as Gail McNally David Beattie as Liam Spector Claire Rafferty as Christine Larkin Richard Clements as Richard Turner Tara Lynne O'Neill as Martina Dean Kelly Gough as Hagstrom Ruth Bradley as Wallace Lacy Moore as Lisa Benedetto Gerard McCarthy as Kevin McSwain Paul Kennedy as Stephen Jennings Barry Ward as Dr. Spencer Sonya Smith Fuentes as Nancy Stagg Hugh O'Conor as Dr. Lucas Antoinette Morelli as Teacher Emma Little as Nurse Gregory Genevieve O'Reilly as Kinkhead