Guest Stars Clare Calbraith as Laura Gabriel Malcolm Storry as Maurice Crace Freddie Fox as Ratallack Christopher Adamson as Richards Agni Scott as Alison Tobias Menzies as Ross McGovern Sasha Behar as Laing Nicholas Jones as Commander Penney (Retired) Samuel James as Marshall Cavan Clerkin as Leonard Glickman Martin Delaney as Male Reporter Munir Khairdin as Stephen's Lawyer Penny Downie as Caroline Monroe William Ruane as Stephen Amelia Lowdell as Freida Glickman Alastair Galbraith as Police Constable Tiballs