Director/a
Russell England
DIRECTOR/A
John Smithson
Reparto (por orden de créditos)
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) (archiveFootage)
Sinclair McKay
Self - Author, 'The Secret Life of Bletchley Park'
Jimmy Thirsk
Self - Veteran, Hut 6
Asa Briggs
Jane Fawcett
Tony Comer
Self - GCHQ Historian and Former Analyst
John Naughton
Self - Vice President, Wolfson College, Cambridge
John Scarlett
Self - Chairman, Bletchley Park Trust, and Former Chief, MI6
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
Rupert Allason
Self - Security and Intelligence Historian
Diana Lucy
Self - Welchman Family Friend
Skye Duncan Wentworth
Self - Gordon Welchman's Neighbour
Dave Hatch
Self - Official NSA Historian
John C. Stevens
Self - Welchman Family Lawyer
James Bamford
Self - Author, 'The Puzzle Palace'
Cynthia Storer
Self - Former CIA Analyst
