Cast — Atomic Power

Dean Acheson

Vannevar Bush

Arthur Holly Compton

James Bryant Conant

Albert Einstein

Enrico Fermi

Leslie Groves

Ernest Lawrence

David E. Lilienthal

Lise Meitner

רוברט אופנהיימר

George B. Pegram

Isidor Isaac Rabi

Leó Szilárd

Merle Tuve

Harold Urey

Richard de Rochemont