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15 Oppenheimer Actors In Their First Big Acting Roles Vs. Now

Only two weeks after its release in July of 2023, the Christopher Nolan-directed Oppenheimer had already become the highest-grossing World War II movie of all time with a worldwide box office gross of well over $500 million. This biopic features a cast of big names, but before their star shone bright, their careers got off to a relatively humble start. Here are some of the most prominent actors in Oppenheimer along with their first roles in film and TV. 

Cillian Murphy

Cillian Murphy as J. Robert Oppenheimer

First big role – Sunburn (1999)

In the film Sunburn, Murphy portrayed Davin McDerby, a young man embroiled in a complex web of intrigue and deception during a Mediterranean holiday.