Tom Streithorst

Narrator (voice)

Andrew Roberts

Self - Churchill historian

Warren Kimball

Self - Roosevelt historian

Simon Sebag-Montefiore

Self - Stalin historian

Berthold Graf von Stauffenberg

Self - von Stauffenberg's eldest son

Joachim Fest

Self - Hitler historian

Lothar Kettenacker

Self - von Stauffenberg historian

David McNab