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