Christopher Nolan's upcoming film Oppenheimer trailer is out! Oppenheimer explores the life and morally dubious achievements of J. Robert Oppenheimer, a physicist credited with developing the atomic bomb. Oppenheimer was the director of Los Alamos Laboratory, where the bombs were actually put together, and one of the main contributors to the Manhattan Project, a government research project that ran from 1942 to 1946 and was focused on developing nuclear weapons. Oppenheimer: Teaser of Christopher Nolan's World War II Biopic Leaks Online; Promo Featured New Look at Cillian Murphy's Nuclear Physicist!

Watch Trailer Here: 

Oppenheimer is played by Cillian Murphy, who is securing the lead for the first time in a Christopher Nolan film. Having previously starred in Inception, Batman Begins, The Dark Knight, The Dark Knight Rises, and Dunkirk, Murphy has been a mainstay in many of Nolan's movies. The star-studded cast includes Rami Malek, Kenneth Branagh, Benny Safdie, Dane DeHaan.

Jack Quaid, Matthew Modine, Alden Ehrenreich, Josh Peck, Jason Clarke, David Dastmalchian, Alex Wolff, James D'Arcy, and many others. Florence Pugh plays Jean Tatlock, Emily Blunt plays Kitty Oppenheimer, Robert Downey Jr. plays Lewis Strauss and Matt Damon. Oppenheimer: Christopher Nolan Reveals He Recreated Nuclear Weapon Explosion Without CGI For Cillian Murphy Starrer.

According to Variety, the biographical book American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer by Kai Bird and the late Martin J. Sherwin, which was awarded the 2006 Pulitzer Prize, served as the inspiration for the movie. Along with producers Charles Roven and Emma Thomas, Nolan will adapt the book for the screen and serve as the project's director and producer. The film will be out on July 21, 2023.