Actors

Actor

Self - Narrator (voice)

Actor

Chairman Gray (voice)

Actor

Colonel Pash

Michael Stuhlbarg

Actor

Edward Teller

Actor

The Stenographer

Michael Cumpsty

Actor

Actor

Self

Jeremy Bernstein

Writing

Self

Actor

Self

Actor

Self

Martin J. Sherwin

Actor

Self

Joseph McCarthy

Actor

Self (archive footage)

J. Robert Oppenheimer

Actor

Self (archive footage)

David Strathairn

Actor

J. Robert Oppenheimer

Actor

Self

Marvin L. Goldberger

Actor

Self

Priscilla McMillan

Actor

Self

Actor

Self

Actor

Self

Harry S. Truman

Actor

Self (Archive Footage)