Guest Stars Jack Shepherd as Jim Thorne John Warman as Police Officer Joe Absolom as Stuart Nicklin Tom Brooke as Martin Palmer Sandra Oh as DS Sarah Chen Stephen Wight as Bardsley Velibor Topic as Pavel Estella Daniels as Karal Turay Natalie Tapper as Marjorie Knight Brian Shaw as Detective Eliza Newman as Karen McMahon Harry Jarvis as Young Nicklin Dan Twine as Jonathan Harris Richard Upton as Scene of Crime Officer Lolita Chakrabarti as Seema Khera Tim Chipping as Surveillance Officer Elisha Willett as Detective Javed Khan as DC Dev Khan Leo Gregory as Sean Bracher Loula Kazantzi as Hotel Guest Glyn Grimstead as Police Clerk Richard Trinder as Financial Advisor William Wright-Neblett as Charlie Turay Freddie Annobil-Dodoo as Uniformed Copper Neil Kelly as Vic Perks Steph Bramwell as Jocelyn Evans Claire Benedict as Maeve Reynolds James Helder as Drug Dealing Bar Manager Dominik Golding as Delivery Guy Helen Elizabeth as Receptionist Malcolm Davies as Surveillance Officer David Charles as Berger Mark Barrows as Officer Mitch Jaleh Alp as Jana Lovik Uncredited Ed Pearce as Bracher's Solicitor