- Siegfried Westphal
- Self
- Walter Warlimont
- Self - German High Command
- Kenneth Strong
- Self - Director, Joint Intelligence Bureau, British Ministry of Defence, 1948-64
- Lyman Kirkpatrick
- Self - Executive Director, CIA, 1962-65
- Otto John
- Self - Head of West German Counter-Espionage, 1952-54
- Hans Detlev Becker
- Self - German Counter-Espionage, 1942-45 / Director, Der Spiegel
- Josef Frolik
- Self - Czech Intelligence, 1952-69
- Bernard Archard
- Self - Narrator
- Willy Brandt
- Self
- John Foster Dulles
- Self
- Dwight D. Eisenhower
- Self
- Heinz Felfe
- Self
- Reinhard Gehlen
- Self
- Nikita Khrushchev
- Self
- Joseph McCarthy
- Self
- Vyacheslav Molotov
- Self
- Gamal Abdel Nasser
- Self
- Joseph Stalin
- Self
- William Quinn
- Self
