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Trailer
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Main Cast
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Brian Donlevy
Major General Leslie R. Groves
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Robert Walker
Colonel Jeff Nixon
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Tom Drake
Matt Cochran
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Beverly Tyler
Anne Cochran
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Audrey Totter
Jean O'Leary
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Hume Cronyn
Dr. J. Robert Oppenheimer
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Hurd Hatfield
Dr. John Wyatt
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Joseph Calleia
Dr. Enrico Fermi
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Godfrey Tearle
President Franklin D. Roosevelt
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Victor Francen
Dr. Marré
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ID: tt0039178