Biografie: Caroline Harker (born 1966) is an English stage and television actress, sister of actress Susannah Harker, and daughter of actors Polly Adams and Richard Owens. She is known for her roles as Celia, in the BBC's Middlemarch, and as Woman Police Constable (WPC) (later Detective Sgt.) Hazel Wallace in the ITV police drama A Touch of Frost (1992-2003).