Narrator
Self - Nuclear Physicist
Self - Commander Joint Task Force One (archive footage)
Self - Nuclear Weaponeer
Self - U.S. President (archive footage)
Self - U.S Ambassador (1961-1965) to the UN (archive footage)
Newsreel Narrator (archive sound)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Announcer (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (archive footage)
Self (uncredited)