保罗·费斯
Paul Frees
饰:Narrator
Leslie Groves
Leslie Groves
饰:Himself (archive footage)
Robert Krohn
饰:Himself
约瑟夫·雷芒德·麦卡锡
Joseph McCarthy
饰:Himself (archive footage)
罗伯特·奥本海默
J. Robert Oppenheimer
饰:Himself (archive footage)
Robert Serber
饰:Himself
哈里·S·杜鲁门
Harry S. Truman
饰:Himself (archive footage)
Hans Bethe
Hans Bethe
饰:Himself
Holm Bursom
Holm Bursom
饰:Himself
Haakon Chevalier
Haakon Chevalier
饰:Himself
Stirling Colgate
Stirling Colgate
饰:Himself
Freeman Dyson
饰:Himself
Susan Evans
Susan Evans
饰:Herself
Francis Fergusson
Francis Fergusson
饰:Himself
Elizabeth Ingram
Elizabeth Ingram
饰:Herself
Dave MacDonald
Dave MacDonald
饰:Himself
Dorothy McKibben
Dorothy McKibben
饰:Herself
Robert Porton
Robert Porton
饰:Himself
Isidor Isaac Rabi
Isidor Isaac Rabi
饰:Himself (as I. I. Rabi)
Francoise Ulam
Francoise Ulam
饰:Herself
Stanislaw Ulam
Stanislaw Ulam
饰:Himself (as Stan Ulam)
Jane Wilson
Jane Wilson
饰:Herself
Robert Wilson
Robert Wilson
饰:Himself
乔恩·埃尔斯
Jon Else
饰:Interviewer
保罗·费斯
Paul Frees
饰:自己