Guest Stars Pippa Nixon as DC Karen Willetts Georgia Mackenzie as Leanne Balcombe Clare Calbraith as Anna Liz White as Fiona Grayson Lucy Speed as Marnie Barton Susan Lynch as Liz Baildon Mina Andala as Eugenia Daniel Flynn as Geoff Tomlinson Phaldut Sharma as Ram Sidhu Andy Nyman as Dean Barton Janet Dibley as Jenny Sheila Hancock as Eileen Baildon Charles Dale as Chief Constable Robin Jacob Lang as Casper Barton Harry Baxendale as Sam Darcey Hogan as Molly Indira Joshi as Riya Sidhu James Craze as Matthew Walsh Kate Williams as Mary Quinn Vanina Arias as Robin's EA Brett O'Shaughnessy as Sean Quinn Gareth Williams as William Elizabeth Counsell as Suzie Montgomery