Josh O'Connor says preparing for Disclosure Day led him deep into alien research.

Steven Spielberg’s “Disclosure Day” is one of those movies that sweeps you up from the start and rarely lets you down.

Not only has he assembled a juicy cast with the likes of Emily Blunt, Josh O’Connor, Colman Domingo and Colin Firth, but he’s teamed up once again with musical maestro John Williams for another stirri...