The Beginning or the End

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

Cedric Gibbons Art Direction Norman Taurog Director Edwin B. Willis Set Decoration