The Codebreaker Who Hacked Hitler

Russell England

Director

John Smithson

Director

Steven Mackintosh

Self - Narrator

Brian Deacon

Gordon Welchman

Rosamund Welchman

Self - Gordon Welchman's Daughter

W. Gordon Welchman

Self - Ex-Head of Hut 6, Bletchley Park (1939-1941)

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

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

Self - Gordon Welchman's Colleague

Rupert Allason

Self - Security and Intelligence Historian

Diana Lucy

Self - Welchman Family Friend

Skye Duncan Wentworth

Self - Gordon Welchman's Neighbour