饰Leo Szilard
饰James F. Byrnes
饰Secretary Stimpson
饰Dr. Arthur Compton
饰President Franklin D
饰Kitty Oppenheimer
饰Colonel Pash
饰Edward Teller
饰Seth
饰Groves's Commanding
饰Dwight D. Eisenhower
饰Enrico Fermi
饰Trude Weiss
饰Colonel Nichols
饰Eugen Wigner
饰Albert Einstein
饰Richard Feynman
饰Hans Bethe
饰Samuel Goudsmit
饰Klaus Fuchs
饰Lord Rutherford
饰Haakon Chevalier
饰Dr. Vincent
饰Michael Polanyi
饰Ilse Polanyi
饰Colonel Lansdale
饰Robert Wilson
饰Mrs. Wisnovsky
饰Jack Wisnovsky
饰Shapp
饰Mrs. Trowbridge
饰Robert Serber
饰Ed Condon
饰William 'Deke' Parso
饰Captain DeSilva
饰T.O. Jones
饰James Tuck
饰Harry Gold
饰Army Major
饰Fleischmann (as Hein
饰Haagen Kistiakowski
饰George Kistiakowski
饰Kenneth Bainbridge
饰Admiral William D. L
饰Paul Tibbets
饰Air Force Guard
饰Chemist
饰Alfred MacCormack
饰Army General
饰John J. McCloy
饰Allan Dulles
饰London Pedestrian
饰British Jr. Officer
饰British Sr. Officer
饰Alexander Sachs
饰General Pa Watson
饰Los Alamo Scientist
