Guest Stars Tom Bell as DS Bill Otley Robert Pugh as DS Alun Simms Frank Finlay as Arnold Tennison Eve Best as Linda Philips Stephen Tompkinson as Sean Philips Gary Lewis as Tony Sturdy Carolyn Pickles as Pauline Brendan Coyle as DCS Mitchell Ellie Kendrick as Melanie Robbie Gee as DI Traynor Katy Murphy as Ruth Sturdy David Keyes as AA Speaker Ricky Nixon as Lester Bishop Amandla Crichlow as Gloria Maxine Barton as Sallie Sturdy Heshima Thompson as Curtis Flynn Helen Griffin as AA Speaker Russell Mabey as Cox Laura Doddington as Wood Laura Greenwood as Penny Philips Tim Preece as AA Speaker Alex Blake as AA Speaker Nonso Anozie as Robert Ashley Madekwe as Tanya Sydney Rae White as Girl on Heath Dystin Johnson as Staff Nurse Lee Whitlock as Jeremy Rebecca Clay as Staff Nurse Clive Hayward as Pathologist Sharon Maharaj as Consultant Seroca Davis as Delores