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