Guest Stars Nasser Memarzia as Arjun Banerjee Patrick O'Kane as Terry Manttan Daragh O'Malley as DCI John Warrick Philip Martin Brown as Stan Conville George Costigan as Bill Telling Angela Bruce as Beryl Doyle Sudha Bhuchar as Aisha Sharma Martin Marquez as Michael Tennant Co Starring Riley Jones as DC Mark Edwards Lisa Hammond as Helen Milton Martin Oldfield as Solicitor Gauri Vedhara as Attendant Lynne Verrall as Charlotte Warrick Jill Dellow as Newsreader Blaise Simmons-Johnson as Carrie Telling