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