- Charles Dance
- Narrator
- Malcolm Terris
- General Sir Edmund Ironside
- Kate Gartside
- Margery Allingham, novellist
- Nicholas Jones
- General Alan Brooke
- Clifford Rose
- Admiral Erich Raeder
- Vincent Marzello
- US Ambassador Joseph Kennedy
- Malcolm Tierney
- General Franz Halder
- Benedict Taylor
- SS General Reinhard Heydrich
- Susan Brown
- Clara Milburn, housewife
- Andy Clark
- Phillip "Pip" Allingham
- Iain Potter
- British Intelligence Officer
- Douglas Reith
- BBC Announcer
- Alexander Richardson
- Boy Scout / Hitler Youth
- Jill Richardson
- Civilian
- Simon Spencer-Hyde
- Frank Reeve
