预告片
演员
Robert Walker
Col. Jeff Nixon
Beverly Tyler
Anne Cochran
Audrey Totter
Jean O'Leary
Godfrey Tearle
President Franklin D. Roosevelt
休姆·克罗宁
Dr. J. Robert Oppenheimer
Hurd Hatfield
Dr. John Wyatt
约瑟夫·卡莱亚
Dr. Enrico Fermi
Jonathan Hale
Dr. Vannevar Bush
John Litel
K.T. Keller
Henry O'Neill
Gen. Thomas F. Farrell
Bobby Jordan
Radioman on Tinian Receiving A-Bomb Message
Brian Donlevy
Maj. Gen. Leslie R. Groves
Tom Drake
Matt Cochran
Victor Francen
Dr. Marre
理查德·海顿
Dr. Chisholm
Warner Anderson
Capt. William S. Parsons
Ellen Ross
Waitress