© @Copyright HELLO! Hello! Magazine Viewers are loving that is back on our screens thanks to ITV airing reruns of the gripping drama; and , who plays DS Ellie Miller, is one of the reasons for the show's huge popularity.Olivia is considered one of the country's most talented actresses, with an incredible career spanning nearly two decades. But first and foremost, the actress is a doting mother to three children, whom she shares with husband .