The British 1940s wartime counterespionage "Operation Jack King" is explained after MI5 archives are opened for this.
Benjamin Cohen
Director
Nicolas Cotto
Sebastien-Yves Laurent
Self - Professor, University of Bordeaux
Stephen Dorril
Self - British Intelligence Specialist, Huddersfield University
Thomas Hennessey
Self - Professor of History, Canterbury Christ Church University
Michael Jago
Self - Biographer of John Bingham