Assigned to oversee the development of the atomic bomb, Gen. Leslie Groves is a stern military man determined to have the project go according to plan. He selects J. Robert Oppenheimer as the key scientist on the top-secret operation, but the two men clash fiercely on a number of issues. Despite their frequent conflicts, Groves and Oppenheimer ultimately push ahead with two bomb designs β the bigger "Fat Man" and the more streamlined "Little Boy."

Paul Newman
as Gen. Leslie R. Groves

Dwight Schultz
as J. Robert Oppenheimer

Bonnie Bedelia
as Kitty Oppenheimer

John Cusack
as Michael Merriman

Laura Dern
as Kathleen Robinson

Ron Frazier
as Peter de Silva

John C. McGinley
as Richard Schoenfield

Natasha Richardson
as Jean Tatlock

Ron Vawter
as Jamie Latrobe

Michael Brockman
as William "Deke" Parsons
NickNaylor
Worthless imaginary drama that has nothing to do with the real manhatten project. Nothing more to say than save yourself the time and skip this piece of historically incorrect ......