On screen
Cast
25 credited performers
Paul Frees
Self - Narrator (voice)
Jon Else
Self - Interviewer
J. Robert Oppenheimer
Self (archive footage)
Hans Bethe
Self
Frank Oppenheimer
Self
Haakon Chevalier
Self
Robert Serber
Self
Artwork unavailable
Holm Bursom
Self
Artwork unavailable
Stirling Colgate
Self
Freeman Dyson
Self
Artwork unavailable
Susan Evans
Self
Artwork unavailable
Francis Fergusson
Self
Leslie Groves
Self (archive footage)
Artwork unavailable
Elizabeth Ingram
Self
Artwork unavailable
Robert Krohn
Self
Artwork unavailable
Dave MacDonald
Self
Joseph McCarthy
Self (archive footage)
Artwork unavailable
Dorothy McKibben
Self
Artwork unavailable
Robert Porton
Self
Isidor Isaac Rabi
Self
Harry S. Truman
Self (archive footage)
Artwork unavailable
Francoise Ulam
Self
Artwork unavailable
Stanislaw Ulam
Self
Artwork unavailable
Jane Wilson
Self
Artwork unavailable
Robert R. Wilson
Self