First broadcast 9th August 2015.
Tommy’s given a job to do for Brown on pain of the death of his son, George.
Jessica Raine as Tuppence Beresford
Clarke Peters as Julius Hersheimmer
David Walliams as Tommy Beresford
Jonny Phillips as Whittington
Paul Brennen as Lucky
Matthew Steer as Albert Pemberton
Mary Roscoe as Isabelle Pettigrew
Andrew Havill as James Peel K.C.
James Fleet as Carter
Richard Dillane as Bulldog
Madeline Appiah as Annette
Catherine Harvey as Nurse
Peter Vollebregt as Secretary of State
Bentley Kalu as CIA Agent
Camilla Beeput as Jane Finn (as Camilla Marie Beeput)
Richard Banks as MI5 Agent
Jd Roth-round as Whittington's Gun Man