Guest Stars Anastasia Hille as DCI Andrea MacKenzie Brian Vernel as Dale Lomax Struan Rodger as Topher Lomax Heather Peace as Abi Farrow Zoe Dickens as Flo Emma Edmondson as Janice Charlie Concannon as Max Farrow Hugh O'Brien as DCI Anthony Grundy as Custody Sergeant Darren Whitfield as Detective Sergeant Meryl Hampton as Gilly Hanson Greg Cook as Jeff Sharp Terry Dalloway as Tommy Mayes Craig Davies as Annoyed Neighbour Helen Kay as Forensic Examiner Spencer Uncredited Graham Parrington as Detective