

Overview
England, 1940, during World War II. An MI5 officer, codenamed Jack King, infiltrates a network of conspirators, a British fifth column sympathetic to Nazi Germany, in order to control the organization and destroy it in the event of a German invasion. But who was he? A single person or several?
Cast
Self - Narrator (voice)
Self - Historian
Self - Writer
Self - Historian
Self - J. Bingham's Biographer
Self - Former Intelligence Officer
Self - Historian
Self - J. Bingham's Daughter
Self - TNA Researcher
Self - Politician (archive footage)
Self - Politician (voice) (archive footage)
Self - BUF Leader (archive footage)