Burt Lancaster

Self - Host / Narrator

Shigeko Sasamori

Self - Hiroshima survivor

Gene R. LaRocque

Self - Rear Admiral U.S.N. (Ret.) (archive footage)

Kosta Tsipis

Self - PhD. (archive footage)

Victor W. Sidel

Self - M.D. (archive footage)

John Kenneth Galbraith

Self - PhD. (archive footage)

Richard G. Saxon

Self - M.D. (archive footage)

Judd Marmor

Self - M.D. (archive footage)

H. Jack Geiger

Self - M.D. (archive footage)