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Casting

Director

Roland Joffé

Producer

Tony Garnett

Screenplay

Bruce Robinson, Roland Joffé

Original Music Composer

Ennio Morricone

Director of Photography

Vilmos Zsigmond

Editor

Françoise Bonnot

Casting

Nancy Foy

Paul Newman
Paul NewmanGen. Leslie R. Groves
Dwight Schultz
Dwight SchultzJ. Robert Oppenheimer
Bonnie Bedelia
Bonnie BedeliaKitty Oppenheimer
John Cusack
John CusackMichael Merriman
Laura Dern
Laura DernKathleen Robinson
Ron Frazier
Ron FrazierPeter de Silva
John C. McGinley
John C. McGinleyRichard Schoenfield
Natasha Richardson
Natasha RichardsonJean Tatlock
Ron Vawter
Ron VawterJamie Latrobe
?
Michael BrockmanWilliam "Deke" Parsons
Del Close
Del CloseDr. Kenneth Whiteside
John Considine
John ConsidineRobert Tuckson
Allan Corduner
Allan CordunerFranz Goethe
?
Joe D'AngerioSeth Neddermeyer
Jon DeVries
Jon DeVriesJohnny Mount
James Eckhouse
James EckhouseRobert Harper
Todd Field
Todd FieldRobert Wilson
Mary Pat Gleason
Mary Pat GleasonDora Welsh
Clark Gregg
Clark GreggDouglas Panton
Péter Halász
Péter HalászGeorge Kistiakowsky
?
Gerald HikenLeo Szilard
Arthur Holden
Arthur HoldenOakridge Doctor
Ed Lauter
Ed LauterWhitney Ashbridge
?
Donald MacKechnieJames Tuck
Madison Mason
Madison MasonBoris Pash
Krzysztof Pieczyński
Krzysztof PieczyńskiOtto Frisch
Don Pugsley
Don PugsleyBronston
Logan Ramsey
Logan RamseyBrehon Somervell
Fred Thompson
Fred ThompsonMelrose Hayden Barry
Jim True-Frost
Jim True-FrostDonald Hornig
?
Barry YourgrauEdward Teller
?
Marek AlbosztaScientist
?
Steven BaigelmanDr. Avenell
?
Frank Benettieri Jr.Messenger
?
Roger CubicciottiFrank Oppenheimer
?
Franco CutiettaEnrico Fermi
Robert Peter Gale
Robert Peter GaleDr. Louis Hempelman
?
Wesley HarrisonPeter Oppenheimer
?
Brent HarrisonPeter Oppenheimer
?
Tom McFarlaneScientist
?
David C. ParnesRaincoat Man
?
Allen PoirsonHarold McDonald
?
David PolitzerRobert Serber
?
Bill RubensteinTimes Reporter
Ken Strausbaugh
Ken StrausbaughObservation Officer
?
Walter SullivanHenry Stimson
?
Brian WandellDennis Talmudge
?
John WilliamsMack Stoddard
Walker Edmiston
Walker Edmiston(voice)
Matthew Faison
Matthew Faison(voice)
Stan Jones
Stan Jones(voice)
Alan Oppenheimer
Alan Oppenheimer(voice)