- 25 min
- Drama
- Drama Action/Adventure
Cast
- Brian Dennehy
- Gen. Leslie Groves
- David Strathairn
- J. Robert Oppenheimer
- Michael Tucker
- Leo Szilard
- Hume Cronyn
- James F. Byrnes
- Richard A. Dysart
- Harry S. Truman
- Hal Holbrook
- Gen. George Marshall
- John McMartin
- David Ogden Stiers
- FDR
- Barnard Hughes
- Secretary Stimpson
- Anne Twomey
- Olek Krupa
- Bernie McInerney
- Ken Pogue
- Gary Reineke
- Alan Scarfe
- John Seitz
- Tony Shalhoub
- Ron White
- Stefan Balint
- Eugen Wigner
- Peter Boretski
- Albert Einstein
- Patrick Breen
- Richard Feynman
- Vlasta Vrana
- Hans Bethe
- George Popovich
- Samuel Goudsmit
- Lorne Brass
- Klaus Fuchs
- Michael Sinelnikoff
- Lord Rutherford
- Graham Haley
- Haakon Chevalier
- Timothy Webber
- Colonel Lansdale
- David Gow
- Jack Wisnovsky
- Isabelle Mejias
- Mrs. Trowbridge
- Jonathan Wise
- Robert Serber
- George R. Robertson
- Ed Condon
- Tom Butler
- Captain DeSilva
- Robert Morelli
- T.O. Jones
- Jon Baggaley
- James Tuck
- David Bolt
- Harry Gold
- David Ferry
- Army Major
- Francois Klanfer
- Haagen
- Michael J. Reynolds
- Kenneth Bainbridge
- Joe Cazalet
- Air Force Guard
- Scott Thomson
- Chemist
- Bob Clout
- Alfred MacCormack
- Roland Hewgill
- Army General
- Terence Labrosse
- Allan Dulles
- Philip Spensley
- British Sr. Officer
- Frederick Neumann
- Alexander Sachs
- Norris Domingue
- General Pa Watson
- Lawrence Z. Dane
- Ronald C. Frazier
- Dee McCaffrey
- William "Deke" Parsons
Crew
- Joseph Sargent
- Director
- Aaron Spelling
- Executive Producer
- Curtis Schnell
- Production Designer
- David W. Rintels
- Producer, Screenwriter
- David W. Rintels
- Producer, Screenwriter
- Debra Karen
- Editor
- E. Duke Vincent
- Executive Producer
- Kees Van Oostrum
- Cinematographer
- Mason K. Daring
- Composer (Music Score)
- Peter Wyden
- Book Author