Movie
Fat Man and Little Boy
The story of the extraordinary people who changed our world.
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 — the bigger "Fat Man" and the more streamlined "Little Boy."
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Fat Man and Little Boy is available to stream on Kanopy in United States. You can also rent or buy it from Amazon, Apple TV, Fandango at Home, and Google Play. Use the direct links below to open the provider.
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Synopsis
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 — the bigger "Fat Man" and the more streamlined "Little Boy."
More about Fat Man and Little Boy
Watch trailerFat Man and Little Boy (1989), 35mm film trailer, scope 2.36:1, 4K trichromy, 3840x1624Cast
Paul NewmanGen. Leslie R. Groves
Dwight SchultzJ. Robert Oppenheimer
Bonnie BedeliaKitty Oppenheimer
John CusackMichael Merriman
Laura DernKathleen Robinson
Ron FrazierPeter de Silva
John C. McGinleyRichard Schoenfield
Natasha RichardsonJean TatlockCredits
- Directed by
- Roland Joffé
- Written by
- Roland Joffé, Bruce Robinson
Production details
- Status
- Released
- Original language
- English
Production
Paramount PicturesUnited States
LightmotiveUnited Kingdom
Themes
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