Here's What The "Oppenheimer" Cast Looks Like Vs. The People They Played IRL

You're probably familiar with Murphy's frequent collaborations with director Christopher Nolan, having appeared in five of his films, The Dark Knight trilogy, Inception, and Dunkirk, but Oppenheimer marks the first time the talented Irish actor takes a leading role in one of Nolan's films.

J. Robert Oppenheimer, the titular character of the film, is, of course, best known as the "father of the atomic bomb."