坎贝尔·斯科特
Self - Narrator (voice)
Boyd Gaines
Chairman Gray (voice)
Daniel Gerroll
Colonel Pash
迈克尔·斯图巴
Edward Teller
Ellen Katz
The Stenographer
迈克尔·昆普斯蒂
Harold Agnew
Self
Jeremy Bernstein
Self
Freeman Dyson
Self
Richard Rhodes
Self
Martin J. Sherwin
Self
Joseph McCarthy
Self (archive footage)
J. Robert Oppenheimer
Self (archive footage)
大卫·斯特雷泽恩
J. Robert Oppenheimer
Herbert York
Self
Marvin L. Goldberger
Self
Priscilla McMillan
Self
Robert Christy
Self
Roy Glauber
Self
Harry S. Truman
Self (Archive Footage)
J. Edgar Hoover
Self (archive footage)
Lewis Strauss
Self (archive footage)
Dwight D. Eisenhower
Self (archive footage)
Eleanor Roosevelt
Self (archive footage)
Edward Teller
Self (archive footage)
Edward Teller
Self (archive footage)
