Guest Stars Jack Shepherd as Jim Thorne John Warman as Police Officer Joe Absolom as Stuart Nicklin Tom Brooke as Martin Palmer Stephen Wight as Bardsley Sandra Oh as DS Sarah Chen Velibor Topic as Pavel Lolita Chakrabarti as Seema Khera Harry Jarvis as Young Nicklin Eliza Newman as Karen McMahon Brian Shaw as Detective Dan Twine as Jonathan Harris Natalie Tapper as Marjorie Knight Richard Upton as Scene of Crime Officer Estella Daniels as Karal Turay 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