Bletchley Park: Code-breaking's Forgotten Genius

John Smithson

Yönetmen

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)