Guest Stars Michele Winstanley as Barbara Apstead Hermione Norris as CS Sheila Court Steve Nicolson as Keith Pryor Jude Akuwudike as Malcolm Jones Ellen Thomas as Esther Daniels Neil Pearson as DI Steve Tudor Rupert Holliday-Evans as Russell Drake Hayley Carmichael as Joanne Perry Sharon Rose as DC Chloe Abbott George Watkins as Carl Streeting Monika Miles as Anna Górska Melanie Kilburn as DI Mel Granger Sally Rogers as Mary Streeting Anne Lacey as Gillian Kerr Neil Hobbs as Mike Jarvis