Based on the Pulitzer Prize-winning book, American Prometheus, by Kai Bird amd MartinSherwin, the film stars Cillian Murphy stars as the physicist who designed the bomb thatdestroyed Japan in 1945 and, in the aftermath, said: 'I am become death, de-stroyer of worlds.'

Also part of this ArtomicAtomic Age cast are Matt Damon, Emily Blunt, Florence Pugh, andRobertr Downey,Jr.