Guest Stars Rupert Holliday-Evans as Brian Reeves Joseph Payne as Dhillon Harwood Claire Lams as Andrea Ellis Christopher Hatherall as DC Andy Lowell Abra Thompson as Hannah Ellis Rebecca Grant as Nisha Baria Angus Castle-Doughty as Troy Manners Sam Hoare as Adam Reynolds Mika Simmons as Amanda Wilkinson Rob Jarvis as DC Phil Hillcroft Tom Andrews as Seb Harding Jessica Alade as DC Mackenzie Camilla Power as Cressida Campbell Amy Marston as Lydia Vendler Jon Monie as Reporter Susannah Bourne as Reporter Sabet Choudhury as Reporter Anna Munden as Ellie Michael Gould as Paul Harwood