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 Eric Keenleyside as Dr. Martin Davey Paul Piaskowski as Dr. Christos Tsoukas Kimberly Sustad as Caitlyn Hartley John Emmet Tracy as Sam Millhouse Robert Moloney as Dr. Derek Naylor Eric Breker as Dr. John Derrick Trinity Likins as Child Emma Landry Alistair Abell as Ed Wilmont Garry Chalk as Arvid Knudson William MacDonald as Frank Schnabel Jay Brazeau as Dr. John Furesz Rohan Campbell as Eric Doncaster Laura Bertram as Kelly Girard Fred Henderson as Male News Anchor Gillian Barber as Dr. Hannah Strawczynski Fiona Hogan as Dr. Rosalyn Herst Fletcher Donovan as Man 1 Avery Konrad as Kendra Bowen Byron Noble as ER Doctor (1967) Gerard Plunkett as Dr. Baldwin Ryan Grantham as Andy Girard Troy Rudolph as Group Leader Natalie Moon as Emergency Ward Nurse (1967) Kris McRonney as Man 2 Angus Stuart as Funeral Priest Zoe Cooper as Amy