Guest Stars Andrew Scott as Chris Gilheany Sarah Ridgeway as WPC Roach Damson Idris as Jaden Tommins Monica Dolan as CS Linda Grace Topher Grace as Billy Bauer Daniel Ings as David Gilkes Amanda Drew as Hayley Blackwood Quincy Dunn-Baker as Don Adam McNamara as Marksman Harris Jorge Cordova as Agent Ernesto Cruz Laura Morgan as Thalia Archie Rush as Cosmo Doyle Caitlin Innes Edwards as Hannah Kent Ruibo Qian as Penelope Wu Calum Callaghan as PC Damien Bullen Roger Alborough as Joe Seun Shote as Simon Alice Bailey Johnson as Markswoman Jones Crystal Clarke as Tipi Mirirai Sithole as Shonelle Ambreen Razia as WPC Najma Haque Maggie Bain as Maryam Conrad Khan as Dibbs Gareth Kane as PC Wanson Hilary Connell as Receptionist
