Sir Derek Jacobi (Narrator), Jochen Hellbreck (Self - Professor of History, Rutgers University), Michael Lynch (Self - University of Leicester), Rikola-Gunnar Lüttgenau (Self - Director of the Buchenwald Memorial Foundation), John C. McManus (Self - Professor of Military History, Missouri University of Science and Technology), Geoffrey P. Megargee (Self - United States Holocaust Memorial Museum (as Dr Geoffrey P. Megargee), Flint Whitlock (Self - Author, The Beasts of Buchenwald), Omar N. Bradley (Himself), Dwight D. Eisenhower (Himself), Joseph Goebbels (Himself)