Guest Stars Andrew Howard as Sniper Tara Summers as Sophia Ellie James as DI Ellie Lloyd Harry Michell as Milo Carter-Walsh Sarah Belcher as Kate Shaw Jonathan Slinger as London Thomas Larkin as Wayne Díana Bermudez as Tall Andrew Koji as Darren Yoshida Dominic Mafham as George Cartwright Eloise Thomas as Myrtle Clarke Julianna Kurokawa as Dahlia Tomisin Ajani as Scots Spike Leighton as Junior Kadiesha Belgrave as Chioma Shaun Mason as Burly Lukwesa Burak as Herself Duncan Golestani as Himself Anastasia Hille as Haley Dunne Patrick O'Kane as Superintendent Duff Nichols Evelyn Miller as Therapist William Fox as Casino Cashier Jane Clifton as Shop Cashier Karl Cam as Jimmy Conor Boru as Plain Clothes Police Officer Nick Thatcher as News Presenter
