新墨西哥州沙漠，“曼哈顿计划”正如火如荼地进行：研制原子弹，莱斯利格罗夫斯将军统帅着这个宏伟计划，制造出这两个超级武器“肥佬”和“小伙子”，科学家罗伯特奥本负责要让这震惊的计划实现……
Paul Newman
Gen. Leslie R. Groves
Dwight Schultz
J. Robert Oppenheimer
Bonnie Bedelia
Kitty Oppenheimer
John Cusack
Michael Merriman
Laura Dern
Kathleen Robinson
Ron Frazier
Peter de Silva
John C. McGinley
Richard Schoenfield
Natasha Richardson
Jean Tatlock
Ron Vawter
Jamie Latrobe
Michael Brockman
William "Deke" Parsons
Del Close
Dr. Kenneth Whiteside
John Considine
Robert Tuckson
Allan Corduner
Franz Goethe
Joe D'Angerio
Seth Neddermeyer
