Guest Stars Lia Williams as Emma Barnes Tom Brooke as Brian Miller Babou Ceesay as DC Alex Gray Peter Davison as Peter Faulkner Taron Egerton as Liam Jay Lucy Speed as Louise Cornish Camilla Power as Tara Faulkner Jessica Harris as Beverley Miller Anthony Edridge as Tim Mark Powley as Jack Cornish Michael Webber as Solicitor Emily Jewell as Receptionist Carl Prekopp as Derek Rosie Holden as Claire Victoria Ball as Amy Marc Small as Police Officer Harriet Ballard as Ruth Wilson Granit Zallufi as Child Uncredited Shane Hart as Gambler
