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