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