Guest Stars Chelah Horsdal as Margie Mularkey Paul McGillion as Bud Mularkey Jason McKinnon as Sean Mularkey Leo Rano as Leon Co Starring Rachelle Goulding as Celeste Louis Dupuis as William Karen Holness as Vivian Nick Preston as Parole Officer Madeleine Kelders as Kate's Doctor Corey Turner as Professor Deprez