Greg Stebner

Narrator

Max Hastings

Self - Author, 'Armageddon'

Kerry Smith

Self - Professor, Brown University

Gregory J.W. Urwin

SelfSelf - Professor, Temple University

William Atwater

Self - Curator, US Army Ordnance Museum

Alan Brinkley

Self - Professor, Columbia University

Omer Bartov

Self - Professor, Brown University

Donald Dencker

Self - WWII Veteran, Pacific

Richard Rhodes

Self - Author, 'The Making of the Atomic Bomb'

James Sheehan

Self - Professor, Stanford University