Narrator
John Hurt
Gen. Anami
Noburu Akima
Captain Deke Parsons
George Anton
Himself - Hiroshima Survivor
Shuntaro Hida
Admiral Yonai
Katsumi Chô
Winston Churchill
Robert Austin
Beser
Daniel Ben Zenou
Teruko Fujii
Miya Oishi
Stimson
Ed Bishop
Harry S Truman
Kenneth Jay
Shigenori Togo
Shoichi Ito
Van Kirk
Lee Colley
General Groves
Garry Cooper
Akiko Takakura
Haruka Kuroda
Jeppson
Gus Danowski
Capt. Bob Lewis
Tim Davenport
Farrell
Michael Fitzpatrick
George Elsey
Paul Tibbets
Daniel Pemberton*