Guest Stars Ian Kershaw as PC Pat Garratt Amanda Abbington as Jen Reynolds Clare Calbraith as Tanya Hardie Velibor Topic as Andrei Dimitriov Bruce Alexander as Simon Reynolds Elizabeth Bennett as Mary Thorne Alan David as Christopher Allen Brian Hibbard as Aaron Wolf Ed Johnson as Jeremy Tellum Edward Marston as Jeremy Tellum Larissa Kouznetsova as Anna Allen C.J. Ranger as Diner Worker