who plays jack frost in a touch of frost
A Touch of Frost The series stars David Jason as Detective Inspector William Edward "Jack" Frost, an experienced and dedicated detective who frequently clashes with his superiors. In his cases, Frost is usually assisted by a variety of different detective sergeants or constables, with each bringing a different slant to the particular case. Comic relief is provided by Frost's interactions with the bureaucratically-minded Superintendent Norman "Horn-rimmed Harry" Mullett, played by Bruce Alexander.