To End All War: Oppenheimer & the Atomic Bomb

Christopher Nolan

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Adolf Hitler

Self (archive footage)

David Eisenbach

Self - History Professor, Columbia University

Eleanor Roosevelt

Self (archive footage)

Bill Nye

Self - Science Educator

Vladimir Putin

Self (archive footage)

Xi Jinping

Self (archive footage)

J. Robert Oppenheimer

Self (archive footage)

Michio Kaku

Self - Theoretical Physicist

Christopher Cassel

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Leslie Groves

Self - Director, Manhattan Project (voice) (archive sound)

Albert Einstein

Self (archive footage)

Richard Rhodes

Self - Author, "The Making of the Atomic Bomb"

Jon Else

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Ellen Bradbury Reid

Self - Daughter of Los Alamos Scientist

Kai Bird

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Mareena Robinson Snowden

Self - Nuclear Security Expert

Alan B. Carr

Self - Senior Historian, Los Alamos National Laboratory

Gregg Herken

Self - Author, "Brotherhood of the Bomb"

Jennet Conant

Self - Author, "109 East Palace"

Alex Wellerstein

Self - Nuclear Historian

Martin J. Sherwin

Self - Co-Author, "American Prometheus" (voice)

Charles Oppenheimer

Self - Grandson

Robert Christy

Self - Theoretical Physicist (voice) (archive sound)

Robert S. Norris

Self - Author, "Racing for the Bomb"

Hideko Tamura

Self - Hiroshima Survivor (Age 10)

Roy Glauber

Self - Scientist, Manhattan Project (voice) (archive sound)

Edward Teller

Self - Theoretical Physicist (archive footage)

Judy Woodruff

Self (voice) (archive sound)