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