Trailer
Cast
Warner Anderson
Capt. William S. Parsons
Ellen Ross
Waitress
Brian Donlevy
Maj. Gen. Leslie R. Groves
Tom Drake
Matt Cochran
休姆·克羅寧
Dr. J. Robert Oppenheimer
Hurd Hatfield
Dr. John Wyatt
Jonathan Hale
Dr. Vannevar Bush
Henry O'Neill
Gen. Thomas F. Farrell
Joseph Calleia
Dr. Enrico Fermi
Godfrey Tearle
President Franklin D. Roosevelt
Victor Francen
Dr. Marre
John Litel
K.T. Keller
Bobby Jordan
Radioman on Tinian Receiving A-Bomb Message
Beverly Tyler
Anne Cochran
Richard Haydn
Dr. Chisholm
Robert Walker
Col. Jeff Nixon
Audrey Totter
Jean O'Leary