Lloyd Clark (Self - Director of Humanities Research Institute, University of Buckingham), Colin Garnett (Self - Historical Consultant), Robert M. Kaplan (Self - Forensic Psychiatrist), Rod Mullinar (voice / Self - Narrator), Norman Ohler (Self - Author, 'Blitzed: Drugs in Nazi Germany'), David Stahel (Self - Senior Lecturer, University of New South Wales), Victoria Taylor (Self - PhD History Researcher, University of Hull), Geoffrey Wawro (Self - Director of the Military History Center, University of North Texas), Neville Chamberlain (Self - Prime Minister of the United Kingdom), Karl Dönitz (Self - German Admiral)