Steven Spielberg's 'Disclosure Day' Trailer Teases Alien Secrets

The sci-fi thriller stars Emily Blunt and Josh O'Connor in a story about a government whistleblower revealing proof of extraterrestrial life.

Mar. 13, 2026 at 2:30am

Got story updates? Submit your updates here. ›

The official trailer for Steven Spielberg's upcoming sci-fi thriller 'Disclosure Day' has been released. The film stars Emily Blunt as a TV weatherperson in Kansas City who appears to be possessed by an unknown force, while Josh O'Connor plays a government whistleblower who wants to reveal long-kept secrets about the existence of alien life. The trailer teases a global event as the world watches Blunt's character's strange on-air behavior, and O'Connor's character fights to expose the truth.

Why it matters

Spielberg is returning to the sci-fi/extraterrestrial genre that he helped define with classics like 'E.T. the Extra-Terrestrial' and 'Close Encounters of the Third Kind.' 'Disclosure Day' promises to be a high-profile, big-budget thriller that could capture the public's imagination about the possibility of alien life, especially given the recent increase in UFO/UAP sightings and reports.

The details

The trailer shows Josh O'Connor's character, Daniel Kellner, admitting he has stolen government secrets about proof of alien life. It also features Emily Blunt as a TV weatherperson who appears to be possessed by an unknown force while broadcasting live, speaking in gibberish that only O'Connor's character can understand. The film also stars Colin Firth, Eve Hewson, and Colman Domingo, and was written by David Koepp, known for his work on 'Jurassic Park' and other Spielberg films.

  • The official trailer for 'Disclosure Day' was released on March 12, 2026.

The players

Steven Spielberg

An acclaimed American filmmaker known for directing iconic science fiction and adventure films such as 'E.T. the Extra-Terrestrial,' 'Close Encounters of the Third Kind,' and the 'Jurassic Park' franchise.

Emily Blunt

An English actress known for her roles in films like 'A Quiet Place,' 'The Devil Wears Prada,' and 'Mary Poppins Returns.'

Josh O'Connor

A British actor who has starred in shows like 'The Crown' and films such as 'God's Own Country.'

David Koepp

An American screenwriter known for his work on blockbuster films like 'Jurassic Park,' 'The Lost World: Jurassic Park,' 'War of the Worlds,' and 'Indiana Jones and the Kingdom of the Crystal Skull.'

Got photos? Submit your photos here. ›

What they’re saying

“Secrets. The data they paid me to protect.”

— Josh O'Connor, Actor (mycentraloregon.com)

“Full disclosure to the whole world.”

— Josh O'Connor, Actor (mycentraloregon.com)

What’s next

The film 'Disclosure Day' is set to be released in theaters on June 6, 2026.

The takeaway

Steven Spielberg's return to the sci-fi genre with 'Disclosure Day' has generated significant anticipation, as the acclaimed director explores themes of government secrecy and the potential existence of extraterrestrial life. The film's high-profile cast and Spielberg's track record suggest it could be a major cinematic event that captivates audiences and sparks discussions about the possibility of alien life.