Reparto (17)
Hervé LacroixNarrator (voice)
Albert EinsteinSelf (archive footage)
Joseph StalinSelf (archive footage)
Franklin D. RooseveltSelf (archive footage)
Adolf HitlerSelf (archive footage)Pyotr Vasilyevich ZarubinSelf, son of Elizabeth ZarubinaNikolai BondarenkoSelf, historian and journalistAlexandre AdlerSelf, historian and journalistNikolai DolgopolovSelf - Author and JournalistPatrick PesnotSelf, author and journalistAlan B. CarrSelf, historianLeo SzilardSelf (archive footage)
Leslie GrovesSelf, director of the Manhattan Project (archive footage)Jon HunnerSelf, historian
J. Robert OppenheimerSelf (archive footage)Klaus FuchsSelf, theoretical physicist and atomic spy (archive footage)
Claire MorinElizabeth Zarubina (voice)