The Beginning or the End (1947)

In English Genres: Biography, Drama, History Director: Norman Taurog Brian Donlevy . .. Maj. Gen. Leslie R. Groves Robert Walker . .. Lt. Col. Jeff Nixon Tom Drake . .. Matt Cochran Beverly Tyler . .. Anne Cochran Audrey Totter . .. Jean O Leary Hume Cronyn . .. Dr. J. Robert Oppenheimer Hurd Hatfield . .. Dr. John Wyatt Joseph Calleia . .. Dr. Enrico Fermi Godfrey Tearle . .. President Franklin D. Roosevelt Victor Francen . .. Dr. Marre Richard Haydn . .. Dr. Chisholm Jonathan Hale . .. Dr. Vannevar Bush John Litel . .. K. T. Keller Henry O Neill . .. General Thomas F. Farrell