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