Guest Stars J. Scott Murray as Policeman Ruth Gemmell as Ellie Brooke Morven Christie as DS Sally Kirchner Sean Gallagher as DI John Brooke Fady Elsayed as Nuri Kavur Jane McGrath as Alice Preston Catherine Russell as Solicitor Akin Gazi as Bekir Humadi Alisdair McKee as Martin Carrisford Irena Micijevic as Gulse Kavur Alex Hassell as Simon Turner Charlotte Randle as Katie Turner Michael Bertenshaw as Doug Beale Nick Oshikanlu as Mr. Cukata Matthew Ashforde as DS Colin Hart