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 Paul Piaskowski as Dr. Christos Tsoukas Mackenzie Cardwell as Adult Emma Landry Robert Moloney as Dr. Derek Naylor John Emmet Tracy as Sam Millhouse Eric Breker as Dr. John Derrick Trinity Likins as Child Emma Landry Alistair Abell as Ed Wilmont Aaron Douglas as Jim Krepke Max Montesi as Spider Kevin McNulty as Arthur Gabrielle Rose as Betsy William MacDonald as Frank Schnabel Emily Haine as Andrea Lambert Barclay Hope as Principal Southwood Spencer Drever as Teen Ryan Emmy O'Leary as Attending Nurse Bronwen Smith as Elinor Caplan Nicole Oliver as Dr. Evelyn Zimmerman Paul Jarrett as Dr. Leonard Unger Hannah Drew as Perrault's Assistant Christopher Pearce as 1st Trustee Fred Keating as Unnamed Official Colby Wilson as Father of 10 Year Old Boy Joe Zanetti as Elinor Caplan's Aide Roz Murray as 2nd Trustee Jessie Fraser as Mother of 10 Year Old Boy Nicole Anthony as Marjorie Chapman Anita Crisinel as Airport Coffee Walker David Vatousios as Dying Norm