Yannick Bisson Detective William Murdoch Actor Helene Joy Dr. Julia Ogden Actor Jonny Harris Constable George Crabtree Actor Thomas Craig Inspector Thomas Brackenreid Actor Kate Trotter Stella Smart Actor Patrick Garrow Allen Fawkes Actor Stephen Jackson Stanley Paulk Actor Lachlan Murdoch Constable Henry Higgins Actor Marilla Wex Emmy Paulk Actor Robert Racki Henri Gaston Actor Kristin Fairlie Petunia Actor Levi Macdougall Nathaniel Horton Actor Tamsen McDonough Alice Howard Actor Ian Downie Farmer Actor Aaron Brand Boy #2 Actor John Fleming Brackenreid's child Actor Jon Cor Pearson Actor Christopher Dyson Constable Actor Valeri Kay Nurse Gwen Actor Kent Staines Owens Actor Maureen Jennings Writer Cal Coons Writer, Executive Producer Alexandra Zarowny Writer R.B. Carney Writer Scott Garvie Executive Producer Laura Harbin Co-Producer Noel Hedges Executive Producer Christina Jennings Executive Producer Shane Kinnear Co-Producer Julie Lacey Co-Producer Jan Peter Meyboom Producer Peter Mitchell Executive Producer Derek Schreyer Creative Producer Robert Carli Original Music Deirdre Bowen Casting Sandra Kybartas Production Design Armando Sgrignuoli Art Director Andrew Kawczynski Set Decoration Alex Reda Costume Design