출연진
Eliot Kohen
Narrator (voice)
J. 로버트 오펜하이머
Self (archive footage)
Frank Oppenheimer
Self
Hans Bethe
Self
Edward Teller
Self
Isidor Isaac Rabi
Self
Emilio Segrè
Self
Harold Agnew
Self
Stanislaw Ulam
Self
Victor Weisskopf
Self
George Kistiakowsky
Self
Philip Morrison
Self
Priscilla Duffield
Self
Dorothy McKibbin
Self
Robert R. Wilson
Self
Edwin McMillan
Self
Robert Bacher
Self