cast
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Cillian Murphy
J. Robert Oppenheimer
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Emily Blunt
Kitty Oppenheimer
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Matt Damon
Leslie Groves
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Robert Downey Jr.
Lewis Strauss
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Florence Pugh
Jean Tatlock
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Josh Hartnett
Ernest Lawrence
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Casey Affleck
Boris Pash
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Rami Malek
David Hill
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Kenneth Branagh
Niels Bohr
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Benny Safdie
Edward Teller
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Jason Clarke
Roger Robb
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Dylan Arnold
Frank Oppenheimer
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Tom Conti
Albert Einstein
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James D'Arcy
Patrick Blackett
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David Dastmalchian
William Borden
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Dane DeHaan
Kenneth Nichols
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Alden Ehrenreich
Senate Aide
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Tony Goldwyn
Gordon Gray
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Jefferson Hall
Haakon Chevalier
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David Krumholtz
Isidor Rabi
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Matthew Modine
Vannevar Bush
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Scott Grimes
Counsel
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Kurt Koehler
Thomas Morgan
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John Gowans
Ward Evans
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Macon Blair
Lloyd Garrison
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Harry Groener
Senator McGee
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Gregory Jbara
Chairman Magnuson
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Ted King
Senator Bartlett
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Tim DeKay
Senator Pastore
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Steven Houska
Senator Scott
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Petrie Willink
Dutch Student
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Matthias Schweighöfer
Werner Heisenberg
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Alex Wolff
Luis Alvarez
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Josh Zuckerman
Rossi Lomanitz
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Rory Keane
Hartland Snyder
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Michael Angarano
Robert Serber
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Emma Dumont
Jackie Oppenheimer
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Sadie Stratton
Mary Washburn
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Britt Kyle
Barbara Chevalier
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Guy Burnet
George Eltenton
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Tom Jenkins
Richard Tolman
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Louise Lombard
Ruth Tolman
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Michael Andrew Baker
Joe Volpe
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Jeff Hephner
Congressman
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Olli Haaskivi
Edward Condon
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David Rysdahl
Donald Hornig
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Josh Peck
Kenneth Bainbridge
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Jack Quaid
Richard Feynman
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Brett DelBuono
Concerned Scientist
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Gustaf Skarsgård
Hans Bethe
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James Urbaniak
Kurt Gödel
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Trond Fausa Aurvåg
George Kistiakowsky
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Devon Bostick
Seth Neddermeyer
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Danny Deferrari
Enrico Fermi
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Christopher Denham
Klaus Fuchs
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Jessica Erin Martin
Charlotte Serber
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Ronald Auguste
J. Ernest Wilkins
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Máté Haumann
Leo Szilard
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Olivia Thirlby
Lilli Hornig
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Jack Cutmore-Scott
Lyall Johnson
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Harrison Gilbertson
Philip Morrison
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James Remar
Henry Stimson
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Will Roberts
George C. Marshall
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Pat Skipper
James Byrnes
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Steve Coulter
James Conant
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Jeremy John Wells
AAF Officer
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Sean Avery
Weatherman
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Adam Kroeger
Army Captain
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Drew Kenney
Soldier
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Bryce Johnson
AAF Officer 2
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Flora Nolan
Burn Victim
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Kerry Westcott
Laughing Woman
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Christina Hogue
Kissing Woman
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Clay Bunker
Kissing Man
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Tyler Beardsley
Weeping Man
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Maria Teresa Zuppetta
Consoling Woman
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Kate French
Presidential Aide
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Gary Oldman
Harry Truman
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Hap Lawrence
Lyndon Johnson
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Meg Schimelpfenig
Senator's Assistant (uncredited)