Guest Stars Julia St. John as Sarah Evans Frances Cuka as Mrs Bassey Jack Dedman as Louis Fairhead Holly Aird as Laura Merriman Sian Webber as DCI Jordan Romy Irving as Rosie Merriman Fraser Ayres as Robbie Trueman Grahame Fox as Sergeant Cook Jeffrey G. Barnett as Elf Richard Sutton as SHO Carole Nimmons as Joan Doe Maggie Lloyd Williams as Merlene Jackson Bradley Goff as Ashley Hardie Lydia Baker as Daisy Harper Gary Kemp as Matthew Merriman Nicholas Brown as Oli Harper