Calificación
Reparto

Eliot Kohen
Narrator (voice)

J. Robert Oppenheimer
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