John Bowen Creator, Writer Patricia Routledge Actor Dominic Monaghan Actor Derek Benfield Actor John Graham-Davies D.C.I. Adams (as John Graham Davies) Actor Margot Leicester Actor Amelia Bullmore Karen Actor Tyler Butterworth Actor Peter Gunn Bryan Actor Sarah Flind Noreen Actor Julie Riley Delia Actor Barbara Dryhurst Lysette Actor Freddie Davies Sidney Sturridge Actor Rebecca Lamb Magda Actor Irene Sutcliffe Helen Rance Actor Gordon Langford Rowe William Pollard Actor Judith Davis Ida Wittle Actor Jennifer Moss Lavinia Actor Joe Belcher Arnold Wittle Actor Laura Crossley Wendy Actor Susan Edmonstone Vanessa Webb Actor David Giles Director Robert Tronson Director David Cook Writer Jeremy Paul Writer Rebecca Eaton Executive Producer