Guest Stars Kate Ashfield as Yvonne Fulcher Derek Riddell as Pete Shawe Peter Wight as Charlie Edwards Owain Arthur as DI Sean Memory Jessica D'Arcy as Lora O'Callaghan Jake Davies as Liam O'Callaghan Joe Absolom as Christopher Halliwell Charlie Cooper as Kevin Reape Ian Puleston-Davies as Mick O'Callaghan Faye McKeever as Deborah Peach Dominic Tighe as DS Bob Cooper Rufus Gerhardt-Williams as Aiden O'Callaghan Maimie McCoy as DC Tracy Joyce Anna Wilson-Jones as Jackie Stephanie Hyam as Becky Godden-Edwards Simone Lahbib as Debbie Emma Clifford as Annette Darcy Vanhinsbergh as Steven Edwards David Nellist as DI Steve Kirby Orla Hill as Jennifer Fulcher Gary Oliver as DCC Pat Geenty Caroline Bartleet as DS Sarah Bilston David Biscoe as Bevan Florence Howard as Sian O'Callaghan Lisa Faulkner as Ray Hayward's Partner Morwenna Banks as Tracey Mullane David Keeling as CC Brian Moore Tobi Bamtefa as Jeremy Sirleaf Christopher Coghill as Alan Jonny Lavelle as PS Marcus Beresford-Smith Naomi Yang as Penny Becky Brunning as Ellie Mack Esh Alladi as Chris Akula Kirris Riviere as Delivery Man Jane Perry as Headmistress
