Josh Hartnett has joined the cast of Christopher Nolan's "Oppenheimer".
Hartnett joins a cast that already includes Emily Blunt, Matt Damon, Robert Downey Jr., Florence Pugh, Rami Malek, and Cillian Murphy. Murphy will portray J. Robert Oppenheimer, the scientist in charge of the Manhattan Project.
Nolan will also produce the film alongside Emma Thomas and Atlas Entertainment's Charles Roven.
