John Mills
Jim Bloggs (voice)
Acting
Peggy Ashcroft
Hilda Bloggs (voice)
Acting
Robin Houston
Radio Announcer (voice)
Acting
James Russell
Russian submariner (voice)
Acting
David Dundas
Additional Voices (voice)
Sound
Matt Irving
Additional Voices (voice)
Acting
Bernard Montgomery
Self (archive footage)
Acting
Harry S. Truman
Self (archive footage)
Acting
Joseph Stalin
Self (archive footage)
Acting
Winston Churchill
Self (archive footage)
Acting