Watch Full Movie Online. A fictitious but powerful look at the dawn of the nuclear age, this stage performance follows several government scientists as they develop the atomic bomb, grapple with the morality of their work, and confront major problems with their superiors. Written by award-winning playwright Loring Mandel, this riveting production stars Stacy Keach, Alice Drummond, Lois Smith, Clifton James and Verna Bloom.