Full Cast List ▾
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
