Guest Stars Claudie Blakley as Louise Sutton Stephen Wight as DC Clive Grace Katie Lyons as DS Jo Brunt Nicholas Burns as DI Richard Ambrose Cornelius Booth as DCI Dave Cobb Steffan Rhodri as DC Neil Jones Philip McGinley as DS Norman Griffths Steve Furst as DC Gary Cunningham James Puddephatt as DC Gary Fuller Jay Taylor as DI Chris Saunders Peter Forbes as DCS Andy Murphy Anna Burnett as Kat Sutton Shai Matheson as Arthur Forster Temi Wilkey as PC Olivia Evanson Michèle Belgrand-Hodgson as Dominque Delagrange Stephane Cornicard as Jean-Francois Delagrange Howard Ward as Det Supt Steve Scott Vanessa Emme as Vanessa David Burnett as PC Paul Westhill Jason Cheater as Terry Morris Lucas Hare as Assembly Meeting Man Michael Gould as Rob Chapman Sandra Duncan as Assembly Meeting Woman Kiera Bell as Amélie Delagrange Miles Sloman as Passer-By Laurie Jamieson as Paramedic Deeivya Meir as Nicky Dillion Uncredited Ty Hurley as CID Bern Collaco as Police Officer Lasco Atkins as Crime Scene Police Nicki Vickery as Police Officer