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