Guest Stars Clare Calbraith as Laura Gabriel Malcolm Storry as Maurice Crace David Schofield as Sergeant Foley Freddie Fox as Ratallack Ace Bhatti as Commander Khokar Sean Gilder as Robert Beatty Agni Scott as Alison Christopher Adamson as Richards Sasha Behar as Laing Nicholas Jones as Commander Penney (Retired) Charles Kay as Sir Richard Halton Rachel Bavidge as IVF Clinic Nurse Andrew Buckley as Scientist Simon Chandler as Consultant
