Guest Stars James McKenna as Sgt. Don Brady David Gooderson as Derek Simpkins, Pathologist Lindy Whiteford as Shirley Fisher Paul Jesson as DS Bill Dorridge Daniel Caltagirone as Ray English Nicky Henson as DS Larry Finlay Beth Goddard as Helen Fox Ben Caplan as Sam Goodwin Emma Cooke as Sally Wainwright Georgia Mackenzie as WPC Susan Kavanagh Amanda Haberland as Tracy Cockroft Ryan Leigh as Keith Christopher Hollis as DI Mark Newcombe David Spinx as Dick Rycroft Tara Moran as Anne Moore Martina Laird as Miriam Madikane Trevor Byfield as George English Ali Bastian as Lisa Harper Ian Embleton as Dennis Tanner Osmund Bullock as Peter Davidson Justin Burrows as DC Tim Fox