Helena Bonham Carter
Narrator (voice)
Acting
Jasper Britton
Narrator (German Concentration Camps Factual Survey) (voice)
Acting
Toby Haggith
Self - Imperial War Museums
Directing
Richard Dimbleby
Self (archive photos/voice)
Acting
Winston Churchill
Self (archive photo)
Acting
Alfred Hitchcock
Self (archive photos)
Directing
Sidney Bernstein
Self (archive footage/photo)
Production