Guest Stars Adrian Rawlins as DCI Simson Kim Vithana as DI Mariner Hana Luheshi as Marah Kerry Fox as Jackie Warwick Steve Oram as George Dean Charles Chapman as Chris Kieran O'Brien as Thomas Bray Rebecca Callard as Mary Salter Anton Saunders as Neil Georgia Eracleous as Libby Jimmy Ray Bennett as Prisoner Jonathon Michaels as Prisoner Tiaa Jennings as Journalist