Steven Mackintosh
Himself - Narrator
Steven Mackintosh
Himself - Narrator
Brian Deacon
Gordon Welchman (voice)
Rosamund Welchman
Herself - Gordon Welchman's Daughter
W. Gordon Welchman
Himself - Ex-Head of Hut 6, Bletchley Park (1939-1941) (archive footage)
Sinclair McKay
Himself - Author, 'The Secret Life of Bletchley Park'
Jimmy Thirsk
Himself - Veteran, Hut 6
Asa Briggs
Himself - Veteran, Hut 6
Jane Fawcett
Herself - Veteran, Hut 6
Tony Comer
Himself - GCHQ Historian and Former Analyst
John Naughton
Himself - Vice President, Wolfson College, Cambridge (as Prof John Naughton)
John Scarlett
Himself - Chairman, Bletchley Park Trust, and Former Chief, MI6 (as Sir John Scarlett KCMG OBE)
Jennifer Welchman
Herself - Gordon Welchman's Granddaughter
Robert R. Everett
Himself - Former President, The MITRE Corporation
Eric Ellingson
Himself - Gordon Welchman's Colleague
Larry Hill
Himself - Gordon Welchman's Colleague
Above Majestic
2018
Night Will Fall
2014
S4: The Bob Lazar Story
2026
The Mole: Undercover in North Korea
2020
Why We Fight: Prelude to War
1942
The Battered Bastards of Baseball
2014
Avatar: The Deep Dive - A Special Edition of 20/20
2022
The Beatles: Get Back - The Rooftop Concert
2022
I Am Vanessa Guillen
2022
Struggle: The Life and Lost Art of Szukalski
2018
Charlie: The Life and Art of Charles Chaplin
2003
Facing Ali
2009
Kim Dotcom: Caught in the Web
2017
Gilbert
2017
The Beatles: Eight Days a Week - The Touring Years
2016