Guest Stars David Lewis as Lawrence Hartley Caroline Cave as Ann O'Malley Jared Ager-Foster as Peter Landry Brian Markinson as Dr. Roger Perrault Ricardo Ortiz 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 Kimberly Sustad as Caitlyn Hartley Eric Breker as Dr. John Derrick Aadila Dosani as Marta Kirpatrick Trinity Likins as Child Emma Landry Robert Moloney as Dr. Derek Naylor John Emmet Tracy as Sam Millhouse Alistair Abell as Ed Wilmont Max Montesi as Spider Jay Brazeau as Dr. John Furesz Barclay Hope as Principal Southwood Peter Flemming as Dr. Inwood Nels Lennarson as Norm Crawley Todd Thomson as 40 Year Old Man Dean Monroe McKenzie as Hassle Free Clinic Doctor Stefania Indelicato as Rachel Jan Bos as Dr. Terry Cameron Bancroft as Michael Rodell Scott Patey as 30 Year Old Man Amber Taylor as Jessica Maria Turner as Mother at OHS Meeting