Oppenheimer

Cillian Murphy

(J. Robert Oppenheimer)

Emily Blunt

(Kitty Oppenheimer)

Matt Damon

(Leslie Groves)

Robert Downey Jr.

(Lewis Strauss)

Florence Pugh

(Jean Tatlock)

Josh Hartnett

(Ernest Lawrence)

Casey Affleck

(Boris Pash)

Rami Malek

(David Hill)

Kenneth Branagh

(Niels Bohr)

Benny Safdie

(Edward Teller)

Jason Clarke

(Roger Robb)

Dylan Arnold

(Frank Oppenheimer)

Tom Conti

(Albert Einstein)

James D'Arcy

(Patrick Blackett)

David Dastmalchian

(William Borden)

Dane DeHaan

(Kenneth Nichols)

Alden Ehrenreich

(Senate Aide)

Tony Goldwyn

(Gordon Gray)

Jefferson Hall

(Haakon Chevalier)

David Krumholtz

(Isidor Rabi)

Matthew Modine

(Vannevar Bush)

Scott Grimes

(Counsel)

Kurt Koehler

(Thomas Morgan)

John Gowans

(Ward Evans)

Macon Blair

(Lloyd Garrison)

Harry Groener

(Senator McGee)

Gregory Jbara

(Chairman Magnuson)

Ted King

(Senator Bartlett)

Tim DeKay

(Senator Pastore)

Steven Houska

(Senator Scott)

Petrie Willink

(Dutch Student)

Matthias Schweighöfer

(Werner Heisenberg)

Alex Wolff

(Luis Alvarez)

Josh Zuckerman

(Rossi Lomanitz)

Rory Keane

(Hartland Snyder)

Michael Angarano

(Robert Serber)

Emma Dumont

(Jackie Oppenheimer)

Sadie Stratton

(Mary Washburn)

Britt Kyle

(Barbara Chevalier)

Guy Burnet

(George Eltenton)

Tom Jenkins

(Richard Tolman)

Louise Lombard

(Ruth Tolman)

Michael Andrew Baker

(Joe Volpe)

Jeff Hephner

(Congressman)

Olli Haaskivi

(Edward Condon)

David Rysdahl

(Donald Hornig)

Josh Peck

(Kenneth Bainbridge)

Jack Quaid

(Richard Feynman)

Brett DelBuono

(Concerned Scientist)

Gustaf Skarsgård

(Hans Bethe)

James Urbaniak

(Kurt Gödel)

Trond Fausa Aurvåg

(George Kistiakowsky)

Devon Bostick

(Seth Neddermeyer)

Danny Deferrari

(Enrico Fermi)

Christopher Denham

(Klaus Fuchs)

Jessica Erin Martin

(Charlotte Serber)

Ronald Auguste

(J. Ernest Wilkins)

Máté Haumann

(Leo Szilard)

Olivia Thirlby

(Lilli Hornig)

Jack Cutmore-Scott

(Lyall Johnson)

Harrison Gilbertson

(Philip Morrison)

James Remar

(Henry Stimson)

Will Roberts

(George C. Marshall)

Pat Skipper

(James Byrnes)

Steve Coulter

(James Conant)

Jeremy John Wells

(AAF Officer)

Sean Avery

(Weatherman)

Adam Kroeger

(Army Captain)

Drew Kenney

(Soldier)

Bryce Johnson

(AAF Officer 2)

Flora Nolan

(Burn Victim)

Kerry Westcott

(Laughing Woman)

Christina Hogue

(Kissing Woman)

Clay Bunker

(Kissing Man)

Tyler Beardsley

(Weeping Man)

Maria Teresa Zuppetta

(Consoling Woman)

Kate French

(Presidential Aide)

Gary Oldman

(Harry Truman)

Hap Lawrence

(Lyndon Johnson)

Meg Schimelpfenig

(Senator's Assistant (uncredited))