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 Owen Whitelaw as Lee Walsh Jeremy Neumark Jones as Adam Elliot Gilly Gilchrist as Charlie Fuller Kanesly Tait as 12-year-old Grace Harry Wood as 12-year-old Adam Beth Marshall as Helen Matthew Zajac as Minister Mathews James Harkness as Matt Gordon Alexander as Man in Suit Elizabeth Healey as Leah Maisie O'Raw as 5-year-old Grace Anna Coote as 8-year-old Claire Louie O'Raw as 5-year-old Adam Jack Burns as 10-year-old Rob