Dane DeHaan

Kenneth Nichols

James Woods

Executive Producer

Matt Damon

Leslie Groves

Robert Downey Jr.

Lewis Strauss

David Krumholtz

Isidor Rabi

Jason Clarke

Roger Robb

David Dastmalchian

William Borden

Tony Goldwyn

Gordon Gray

Kenneth Branagh

Niels Bohr

Dylan Arnold

Frank Oppenheimer

Casey Affleck

Boris Pash

Florence Pugh

Jean Tatlock

Benny Safdie

Edward Teller

Emily Blunt

Kitty Oppenheimer

Christopher Nolan

Director

Matthew Modine

Vannevar Bush

James D'Arcy

Patrick Blackett

Josh Hartnett

Ernest Lawrence

Cillian Murphy

J. Robert Oppenheimer

Tom Conti

Albert Einstein

Rami Malek

David Hill

Jefferson Hall

Haakon Chevalier

Thomas Hayslip

Executive Producer

Alden Ehrenreich

Senate Aide

Scott Grimes

Counsel

Kurt Koehler

Thomas Morgan

John Gowans

Ward Evans

J. David Wargo

Executive Producer