(in credits order) complete, awaiting verification
- King George VI(archive footage)
- Neville Chamberlain(archive footage)
- Winston Churchill(archive footage)
- Adolf Hitler(archive footage)
- Dwight D. Eisenhower(archive footage) (as General Dwight Eisenhower)
Rest of cast listed alphabetically
- Duke of Windsor(archive footage) (uncredited)
- Queen Elizabeth II(archive footage) (uncredited)
- Queen Elizabeth the Queen Mother(archive footage) (uncredited)
- Stuart Whelan(uncredited)
