Bletchley Park: Code-Breaking's Forgotten Genius Online

Steven Mackintosh - Self - Narrator (voice) , Brian Deacon - Gordon Welchman (voice) , Rosamund Welchman - Self - Gordon Welchman's Daughter, W. Gordon Welchman - Self - Ex-Head of Hut 6 Bletchley Park (1939-1941) (archive footage) , Sinclair McKay - Self - Author, 'The Secret Life of Bletchley Park', Jimmy Thirsk - Self - Veteran, Hut 6 Asa Briggs - Self - Veteran, Hut 6 Jane Fawcett - Self - Veteran, Hut 6 Tony Comer - Self - GCHQ Historian and Former Analyst, John Naughton - Self - Vice President, Wolfson College, Cambridge (as Prof John Naughton) , John Scarlett - Self - Chairman, Bletchley Park Trust, and Former Chief, MI6 (as Sir John Scarlett KCMG OBE) , Jennifer Welchman - Self - Gordon Welchman's Granddaughter, Robert R. Everett - Self - Former President, The MITRE Corporation, Eric Ellingson - Self - Gordon Welchman's Colleague, Larry Hill - Self - Gordon Welchman's Colleague