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