Guest Stars David Lewis as Lawrence Hartley Caroline Cave as Ann O'Malley Levi Meaden as Peter Landry Brian Markinson as Dr. Roger Perrault Alex Rose as Ryan Sanders Amitai Marmorstein as Paul Kirpatrick Lossen Chambers as Liz Byrne Eric Keenleyside as Dr. Martin Davey Anna Galvin as Dr. Kim Matthews Mackenzie Cardwell as Adult Emma Landry Paul Piaskowski as Dr. Christos Tsoukas Paloma Kwiatkowski as Darby Stephens Diana Bang as Ruby Dae Kim Aadila Dosani as Marta Kirpatrick Haig Sutherland as Dr. Bradley Aaron Douglas as Jim Krepke Jay Brazeau as Dr. John Furesz Karyn Mott as Lisa Krepke Lexa Doig as Marlys Edwardh Laura Bertram as Kelly Girard Sarah Smyth as Jenny Gould Paul McGillion as J.C.W. Weber Matt Craven as Justice Horace Krever Richard Newman as Cherniak Farryn VanHumbeck as Teen Jessica Hartley Gillian Barber as Dr. Hannah Strawczynski Peter Flemming as Dr. Inwood Nils Hognestad as Professor Liam Fazackerley as Chad
