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