As critics and fans laud Christopher Nolan's Oppenheimer, a major talking point is Cillian Murphy in the lead role. He's delivering a tour de force as the inventor of the atom bomb, which many think will win awards, and rightfully so. The movie shows he has that gravitas, covering a wide spectrum of emotions as a torn scientist who knows he's dooming the world.
Source:https://www.cbr.com/oppenheimer-cillian-murphy-scarecrow-lost-potential/