Richard Madden David Actor Keeley Hawes Julia Actor Gina McKee Sampson Actor Sophie Rundle Vicky Actor Vincent Franklin Mike Actor Pippa Haywood Craddock Actor Paul Ready Rob Actor Tom Brooke Andy Actor Nicholas Gleaves Roger Actor Matthew Stagg Charlie Actor Bella Padden Ella Actor Stuart Bowman Hunter-Dunn Actor David Westhead Prime Minister Actor Ash Tandon Sharma Actor Claire-Louise Cordwell Kim Actor Shubham Saraf Tahir Actor Timothy Knightley SO15 Control Actor Mark Holgate ARV Leader Actor Richard Riddell Tom Actor Thomas Vincent Director Eric Coulter Producer Priscilla Parish Producer Jed Mercurio Writer