Guest Stars Grace Vance as Molly Drake Joseph Long as Luigi Geff Francis as Viv James Adrian Dunbar as Martin Summers Roger Allam as Detective Superintendent Charles "Supermac" Mackintosh Adrian Schiller as Ralph Jarvis's lawyer Gerard Monaco as Gordon Lanegan John Bowe as Ralph Jarvis Kirsty Leigh Porter as Rachel Lessing Sophie Bleasdale as Debbie Ruth Millar as Jackie Queen