Commentaire (voice)
Self (archive footage) (as Iosif Stalin)
Self - son of Elizabeth Zarubina
Self (archive footage)
Self - historian and journalist
Self - author and journalist
Self - historian
Self (archive footage) (as Leo Szilard)
Self - director of the Manhattan Project (archive footage)
Self - theoretical physicist and atomic spy (archive footage)
Elizabeth Zarubina (voice)