Oppenheimer is a film in the biographical drama genre. It's the directorial work of Christopher Nolan, who has also adapted the script from Martin J. Sherwin and Kal Bird's 2005 book American Prometheus. Its world premiere happened in Paris at the Le Grand Rex, and it was released theatrically by Universal Pictures on July 21, 2023. The official synopsis, as per IMDb, reads,
A dramatization of the life story of J. Robert Oppenheimer, the physicist who had a large hand in the development of the atomic bombs that brought an end to World War II.
Let us take a look at the cast and the roles they played.
Oppenheimer cast details revealed
1) Cillian Murphy as J. Robert Oppenheimer
Cillian Murphy plays the titular protagonist, a theoretical physicist, in the film. He was a part of the film Manhattan Project, which led to the creation of the world's first nuclear bombs. In his big career, the Irish actor has appeared in projects like 28 Days Later, Peaky Blinders, and Batman Begins. He has also worked on numerous projects with Nolan.
2) Emily Blunt as Katherine Oppenheimer, aka Kitty

Emily Blunt is Robert's wife, Katherine, in this film. The character is an ex-member of the Communist Party USA. She witnesses the Manhattan Project while accompanying her husband and also the trials. Blunt is known for her acting in films like The Devil Wears Prada, A Quiet Place, and Sicario, among others.
3) Matt Damon as Gen. Leslie Groves
Matt Damon is General Leslie Groves in the film. He is a United States Army Corps of Engineers officer. Groves is assigned as the director of the Manhattan Project. Damon has a large body of work, which consists of titles like The Martian, Bourne Legacy, and Interstellar.
4) Other cast members of the film
- Robert Downey Jr as Rear Admiral Lewis Strauss
- Florence Pugh as Jean Tatlock
- Josh Hartnett as Ernest Lawrence
- Casey Affleck as Boris Pash
- Rami Malek as David L. Hill
- Kenneth Branagh as Niels Bohr
- Benny Safdie as Edward Teller
- Jason Clarke as Roger Robb
- Dylan Arnold as Frank
- Tom Conti as Albert Einstein
- James D'Arcy as Patrick Blackett
- David Dastmalchian as William L. Borden
- Dane DeHaan as Maj Gen. Kenneth Nichols
- Tony Goldwyn as Gordon Gray
- Jefferson Hall as Haakon Chevalier "Hoke"
- David Krumholtz as Isidor Isaac Rabi
- Matthew Modine as Vannevar Bush
More about Oppenheimer
Christopher Nolan has produced the film with Emma Thomas and Charles Roven. Syncopy, Atlas Entertainment, Breakheart Films, Peters Creek Entertainment, and Gadget Films are the production banners. Hoyte van Hoytema is the director of photography, and Jennifer Lame has edited the film; Ludwig Göransson has composed the score.
It opened to big critical acclaim and earned $975.8 million at the ticket windows across the world. Nolan bagged the Academy Award for Best Director while the film was given the Best Picture honor. Murphy and Robert Downey were also awarded the Oscars in different categories.
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