Guest Stars Don Gallagher as Dr David Hesketh Alan Davies as George Gillian Catherine Tyldesley as Kate Porter Siân Phillips as Agnes Gillian Holly Aird as Paula Monksford Caoimhe O'Malley as Elodie Docherty Tim Delap as DCI Kevin Newman Nickcolia King-N'Da as Edward Wareing Niall Wright as Liam Fallin Jake Graf as Pathologist Gabriel Bisset Smith as James Langmere Nick Rawbin as Taxi Driver