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