Narrator (voice)

John Hurt

Acting

Self - Hiroshima Survivor

Shuntaro Hida

Acting

Winston Churchill

Robert Austin

Acting

Parsons

George Anton

Acting

Self - Military Advisor

George Elsey

Acting

Self - Pilot, Enola Gay

Paul Tibbets

Acting

Self - Navigator, Enola Gay

Theodore "Dutch" Van Kirk

Acting

Self - Hiroshima Survivor

Akiko Takakura

Acting

Beser

Daniel Ben Zenou

Acting

Stimson

Ed Bishop

Acting

Admiral Yonai

長克巳

Acting

General Anami

Noboru Akima

Acting

Van Kirk

Lee Colley

Acting

Groves

Garry Cooper

Acting

Harry Truman

Kenneth Jay

Acting

Akiko Takakura

Haruka Kuroda

Acting

Major Thomas Ferebee

Tim Matthews

Acting

James F. Byrnes

Shane Rimmer

Acting

Robert Oppenheimer

Fredrick Ruth

Acting

Self (archive footage)

J. Robert Oppenheimer

Acting

Self (archive footage)

Harry S. Truman

Acting

Self (archive footage)

Emperor Hirohito of Japan

Acting