 Gerrard McArthurNarrator | Narrator |
| RRaye FarrSelf - Archive Director - Holocaust Museum Washington | Self - Archive Director - Holocaust Museum Washington |
| WW. David LewisSelf - Author - 'The Man Who Invented Hitler' | Self - Author - 'The Man Who Invented Hitler' |
| EEpping JaegerSelf - Vocal Expert | Self - Vocal Expert |
| RRichard John EvansSelf - Professor of Modern History - Cambridge University | Self - Professor of Modern History - Cambridge University |
| TTimothy RybackSelf - Harvard University | Self - Harvard University |
| PPeter YorkSelf - Author - Dictators' Homes | Self - Author - Dictators' Homes |
| MMichael BrookeSelf - Speech Recognition Expert | Self - Speech Recognition Expert |
| FFrank HubnerSelf - Speech Recognition Expert | Self - Speech Recognition Expert |
 Adolf HitlerSelf (archive footage) | Self (archive footage) |
 Eva BraunSelf (archive footage) | Self (archive footage) |
 Joseph GoebbelsSelf (archive footage) | Self (archive footage) |
 Heinrich HoffmannSelf (archive footage) | Self (archive footage) |
 Albert SpeerSelf (archive footage) | Self (archive footage) |
 Joachim von RibbentropSelf (archive footage) | Self (archive footage) |
 Heinrich HimmlerSelf (archive footage) | Self (archive footage) |
 Reinhard HeydrichSelf (archive footage) | Self (archive footage) |
| KKarl WolffSelf | Self |
 Hermann GöringSelf (archive footage) | Self (archive footage) |
| SSalvatori PaoliniSelf - Berghoff Waiter | Self - Berghoff Waiter |
