Watch the official "Now Playing" trailer for the biographical drama movie Oppenheimer, directed by Christopher Nolan.<br /><br />Oppenheimer Cast:<br /><br />Cillian Murphy, Emily Blunt, Robert Downey Jr., Matt Damon, Rami Malek, Florence Pugh, Benny Safdie, Michael Angarano, Josh Hartnett and Kenneth Branagh<br /><br />Oppenheimer is now playing in theaters!
