cast
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Sam Waterston
Robert Oppenheimer
- John Carson Narrator
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Shane Rimmer
Ed Condon
-
Alexander Knox
Henry Stimson
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Jana Shelden
Kitty Oppenheimer
-
Phil Brown
Lewis Strauss
-
Edward Hardwicke
Enrico Fermi
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David Suchet
Edward Teller
-
James Maxwell
Lloyd Garrison
-
Milton Johns
George Kistiakowsky
-
Barry Dennen
Isidor Rabi
- Bob Sherman Ernest Lawrence
- Matthew Guinness Hans Bethe
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Christopher Malcolm
Steve Nelson
-
Garrick Hagon
Frank Oppenheimer
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David Baxt
Colonel John Lansdale
- Peter Banks Joseph Volpe
-
Ron Berglas
John Manley
-
Colin Bennett
Seth Neddermeyer
- Christopher Muncke Colonel Kenneth Nichols
- Peter Carlisle H.U.A.C Counsel