Guest Stars Kyle Soller as Marcus Chadwell Lloyd Owen as Det Supt Mitchell Niamh Cusack as Sylvie Blake Shaun Parkes as Bennett Walker Lyndsey Marshal as Sasha Blackburn Richard Sutton as DI Jason Snow Stephen Kennedy as Ted Blake Tom Padley as Connor Blake Robert Whitelock as Oliver Bright Karen Meagher as Diane Blackburn Jane Leaney as Mandy Bright Harrison Stagg as Max Ben Adams as Charles Moore Bobby Pearse as Young Oliver