The Beginning or the End

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

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