Robert Thorogood Creator, Writer Ardal O'Hanlon DI Jack Mooney Actor Danny John-Jules Dwayne Myers Actor Joséphine Jobert DS Florence Cassell Actor Tobi Bakare Officer J.P. Hooper Actor Elizabeth Berrington Diane Smith Actor Doreene Blackstock Audrey Lefevre Actor Stefano Braschi Oliver Fitzwarren Actor Rob Heaps Stephen Marston Actor Denis Lawson Philip Marston Actor Tanya Reynolds Pearl Marston Actor Jemima Rooper Karen Marston Actor Grace Stone Siobhan Mooney Actor Élizabeth Bourgine Catherine Bordey Actor Don Warrington Commissioner Selwyn Patterson Actor Sue Howells Producer Jonathan Gershfield Director