In the hit 2023 movie “Oppenheimer,” which actor plays Lt. General Leslie Groves, who directed the Manhattan Project to develop the atomic bomb?

In the hit 2023 movie “Oppenheimer,” which actor plays Lt. General Leslie Groves, who directed the Manhattan Project to develop the atomic bomb?

Robert Downey Jr.
Matt Damon
Cillian Murphy
Rami Malek
Josh Hartnett

The correct answer is Matt Damon