Guest Stars Claudie Blakley as Louise Sutton David Witts as DC Adam Spier Jude Akuwudike as The Night Stalker Beth Goddard as DS Cathy Rook Matthew Gravelle as DI Nathan Eason Steve Nicolson as DC Kenny Munro Sule Rimi as DS Neville Hylton Diveen Henry as DC Patricia Henry Matt Bardock as Det. Supt. Simon Morgan Judith Roddy as Michelle Molloy Mark Ebulué as Lester Derek Frood as Custody Sergeant Ashley Zhangazha as Delroy Grant Jr Becky Brunning as Sam Louise Miller as PC Eluned Hawkins as Magistrate