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Behind a forbidden door is a terrifying secret!
The research, development, and deployment of the first atomic bomb, as well as the bombing of Hiroshima, are detailed in this docudrama.
Norman Taurog
Samuel Marx
Maj. Gen. Leslie R. Groves
Col. Jeff Nixon
Matt Cochran
Anne Cochran
Dr. J. Robert Oppenheimer
Jean O'Leary
Dr. John Wyatt
Dr. Enrico Fermi
President Franklin D. Roosevelt
Dr. Marre
Dr. Chisholm
Dr. Vannevar Bush
