Guest Stars Harriet Cains as Lizzie Hallam Dorothy Atkinson as Shirley Hewarth Tanya Franks as Lorraine Hallam James Nelson-Joyce as Jason McNeive Aden Gillett as Harry Benton Jack Ellis as Brian Hallam Melanie Kilburn as Susan Monkford John Rowe as Percy Monkford Kathryn Pogson as Vanessa Gartside Co Starring Riley Jones as DC Mark Edwards Lisa Hammond as Helen Milton Chanel Cresswell as Charlie Anthony Barclay as Alan Randle Matthew Wait as Jerry Clunes Iain Andrew as Frank Jean Southern as Kitty Neilson Lyndsay Fielding as Jackie