Guest Stars Kate Bracken as Grace Douglas Isis Hainsworth as Maddy Wallace Chris Fulton as Jay Anne Kidd as Meredith Cristian Ortega as Jamie Douglas Kate Dickie as Sal Jeremy Neumark Jones as Adam Elliot Owen Whitelaw as Lee Walsh Kae Alexander as Yiki Beth Marshall as Helen Gilly Gilchrist as Charlie Fuller Matthew Zajac as Minister Mathews Harry Wood as 12-year-old Adam Kanesly Tait as 12-year-old Grace Robin Laing as Constable Hartley