Trailer
Cast
Harry S. Truman
Self (archive footage)
Jon Else
Self - Interviewer
Leslie Groves
Self (archive footage)
Isidor Isaac Rabi
Self
Frank Oppenheimer
Self
Haakon Chevalier
Self
Robert Serber
Self
Joseph McCarthy
Self (archive footage)
Paul Frees
Self - Narrator (voice)
J. Robert Oppenheimer
Self (archive footage)
Hans Bethe
Self
Freeman Dyson
Self