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