Bletchley Park: Code-breaking's Forgotten Genius

Gordon Welchman was one of the original elite codebreakers crucial to the allies defeating the Nazis in World War II. He is the forgotten genius of Bletchley Park.

• John SmithsonDirector
• Russell EnglandDirector

• Steven MackintoshHimself - Narrator
• Brian DeaconGordon Welchman (voice)
• Rosamund WelchmanHerself - Gordon Welchman's Daughter
• W. Gordon WelchmanHimself - Ex-Head of Hut 6, Bletchley Park (1939-1941) (archive footage)
• Sinclair McKayHimself - Author, 'The Secret Life of Bletchley Park'
• Jimmy ThirskHimself - Veteran, Hut 6
• Asa BriggsHimself - Veteran, Hut 6
• Jane FawcettHerself - Veteran, Hut 6
• Tony ComerHimself - GCHQ Historian and Former Analyst
• John NaughtonHimself - Vice President, Wolfson College, Cambridge (as Prof John Naughton)
• John ScarlettHimself - Chairman, Bletchley Park Trust, and Former Chief, MI6 (as Sir John Scarlett KCMG OBE)
• Jennifer WelchmanHerself - Gordon Welchman's Granddaughter