- Tim Bouverie
- Self - Author of 'Appeasing Hitler'
- John Bew
- Self - Author of 'Realpolitik: A History'
- Frank McDonough
- Self - Author of 'The Hitler Years'
- Andrew Roberts
- Self - Author of 'Churchill: Walking with Destiny'
- Jonathan Haslam
- Self - Author of 'The Spectre of War'
- Richard John Evans
- Self - Author of 'The Third Reich in Power'
- John Charmley
- Self - Author of 'Churchill: The End of Glory'
- Anna Wilson-Jones
- Self - Narrator
- Adrian Munsey
- Self - Narrator
- Neville Chamberlain
- Self - Prime Minister of the United Kingdom
- Winston Churchill
- Self - Prime Minister of the United Kingdom
- Georges Clemenceau
- Self - Prime Minister of France
- Édouard Daladier
- Self - Prime Minister of France
- Alec Douglas-Home
- Self - Parliamentary Private Secretary to Neville Chamberlain
- Adolf Hitler
- Self - Führer of Germany
- Quintin Hogg
- Self - British Cabinet Minister
- Vyacheslav Molotov
- Self - Minister of Foreign Affairs of the Soviet Union
- Benito Mussolini
- Self - Prime Minister of Italy
- Franklin D. Roosevelt
- Self - President of the United States
- Joseph Stalin
- Self - General Secretary of the Communist Party of the Soviet Union
- Adam von Trott zu Solz
- Self - German Diplomat
- Woodrow Wilson
- Self - President of the United States
