Emily Blunt chats with ET's Emily Curl about her new film 'Disclosure Day,' in theaters on June 12. The actress opens up about the secrecy behind the film's plot and what it was like working with Steven Spielberg and co-star Josh O'Connor. She also breaks down how she and Steven created the alien language she has to speak in the film and what it was like filming the action-packed train scene with Josh.
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