Self (archive footage)
Self - Co-author, American Prometheus
Self - Daughter of Los Alamos scientist (as Ellen Bradbury Reid)
Self - Senior historian, Los Alamos National Laboratory (as Alan Carr)
Self - Author, 109 East Palace
Self - History professor, Columbia University
Self - Filmmaker, The Day After Trinity
Self (voice) (archive footage)
Self - Author, Brotherhood of the Bomb
Self - Theoretical physicist (as Dr. Michio Kaku)
Self - writer / director: 'Oppenheimer'
Self - Science educator
Self - Grandson
Self - Author, The Making of the Atomic Bomb
Self - Nuclear security expert (as Dr. Mareena Robinson Snowden)
Self (archive footage) (as Iosif Stalin)
Self - Nuclear historian
