Guest Stars Richard Durden as Conor Hodgson Daniel Weyman as Max Thorndyke Julia Haworth as Rosie Chamberlain Ben Bailey Smith as Lieutenant Colonel Ben Carmichael William Ash as Major Mark Sealy Adelle Leonce as D.C. Lucy Vail Tina Chiang as Simone Taylor Clare Higgins as Professor Katherine Dukes Graham Turner as Arthur Simpson Ash Tandon as DI Karl Guyatt Will Stevens as Private John Sealy Daniel Stewart as Sergeant Haring Robert East as Henry Young Elizabeth Boag as Paramedic
