Cillian Murphy as J. Robert Oppenheimer wonders if United States can be trusted with atomic bomb

Cillian Murphy’s ‘Oppenheimer’ Grapples With Creating Atomic Bomb in Trailer

Cillian Murphy Is So Stressed Out in the New Oppenheimer Trailer

‘Oppenheimer’ Trailer: Destruction Looms In Christopher Nolan’s Atomic Bomb Pic Starring Cillian Murphy