Disclosure Day (2026): Cast, Plot & Where to Stream It
By Sam Carter · · Updated
Disclosure Day hit theaters June 12, 2026, and now streams on Peacock. Find out who stars, how the story unfolds and which Peacock plan lets you watch it.
Disclosure Day (2026): Where to Watch, Cast and Plot Guide
Disclosure Day is Steven Spielberg's 2026 science fiction thriller, and it's now streaming on Peacock after arriving in US theaters on June 12, 2026. The tagline says it all: "We deserve to know."
It runs 146 minutes, stars Emily Blunt and Josh O'Connor, and holds a 7.4/10 rating on TMDB. So what's it actually about, who's in it, and is it worth your evening? Let me break it down.
Below you'll find the plot setup, the full cast, the streaming details, and my honest take on who this movie suits best.
What Is Disclosure Day About?
Disclosure Day follows a cybersecurity expert who becomes a whistleblower after uncovering secrets about aliens. That discovery puts him on the run from a corporation.
Meanwhile, a meteorologist experiencing strange phenomena joins forces with him. Their goal is to prove there's life beyond our understanding.
Now here's where it gets interesting. Two people, two very different professions, one enormous secret. A data person and a weather person. I like that pairing a lot, because both jobs are about reading patterns that other people miss.
The corporation angle matters too. This isn't a story about a government shrugging off sightings. It's about a company with something to protect, and a man who knows too much.
The Tone: Paranoid Thriller or Wonder?
Spielberg has done both sides of the alien story. Think of the awe in Close Encounters of the Third Kind and the menace in War of the Worlds. Disclosure Day is tagged Science Fiction and Thriller, which tells me the chase and the secrecy come first.
Honestly? I'm curious how much wonder he lets in around the edges. The tagline leans on the right to know, which sounds more like a conspiracy thriller than a pure creature feature.
When Did Disclosure Day Come Out?
Disclosure Day came out in US theaters on June 12, 2026. It premiered in Paris on June 2, 2026, with a New York premiere on June 8.
It's rated 7.4/10 on TMDB, which is a solid score for a big-budget sci-fi release. Not a runaway masterpiece number, but comfortably in "worth your time" territory.
The runtime is 146 minutes. That's a full evening, so plan accordingly. Picking something for movie night? Start it before 9 p.m. and you'll finish at a reasonable hour.
| Detail | Info |
|---|---|
| Director | Steven Spielberg |
| Premiered | June 2, 2026 (Paris) |
| US theatrical release | June 12, 2026 |
| Runtime | 146 minutes |
| Genres | Science Fiction, Thriller |
| Streaming | Peacock Premium, Peacock Premium Plus |
| TMDB rating | 7.4/10 |
Who Is in the Disclosure Day Cast?
The Disclosure Day cast is led by Emily Blunt as Margaret Fairchild and Josh O'Connor as Dr. Daniel Kellner. Steven Spielberg directs.
The cast alone? Impressive. Here's the full list of who plays whom:
- Emily Blunt as Margaret Fairchild
- Josh O'Connor as Dr. Daniel Kellner
- Colin Firth as Noah Scanlon
- Eve Hewson as Jane Blankenship
- Colman Domingo as Hugo Wakefield
- Wyatt Russell as Jackson
- Henry Lloyd-Hughes as Casper Boyd
- Elizabeth Marvel as Sister Maura
Blunt and O'Connor sit at the top of the billing, and Colin Firth and Colman Domingo add serious weight below them.
One name that jumps out is Sister Maura, played by Elizabeth Marvel. A character with that title in an alien thriller makes me wonder what role faith plays in the story. That's a fun thread to pull on.
Where Can I Watch Disclosure Day?
You can stream Disclosure Day on Peacock, on both the Peacock Premium and Peacock Premium Plus plans (see the NBC streaming guide). It's no longer a theater-only experience.
Check Peacock directly for current pricing, since plans change. The main difference between the two tiers is ads, so pick based on how much you hate interruptions during a tense scene.
My advice here is simple. If you've got a decent TV and a dark room, this is a film that rewards the setup. Spielberg builds tension through quiet moments, and you'll want to actually hear them.
Is Disclosure Day Worth Watching?
Yes, I think so, especially if you like paranoid sci-fi with big names attached. A 7.4/10 rating, a Spielberg directing credit, and that cast make a strong case.
Who is it for? If you liked the cat-and-mouse feel of a whistleblower thriller crossed with an alien mystery, this is squarely your lane. If you want nonstop action, I'd temper expectations, since a 146-minute runtime suggests a slower build.
Is it for everyone? No. Some viewers want answers handed over fast, and a story about secrets tends to withhold them. But that's the point of the premise.
The idea that "we deserve to know" is a great hook for a movie, and it's the kind of question that keeps you thinking after the credits.
Frequently Asked Questions
What is the Disclosure Day movie about?
Disclosure Day is about a cybersecurity expert who becomes a whistleblower after uncovering secrets about aliens, which puts him on the run from a corporation. Meanwhile, a meteorologist experiencing strange phenomena joins forces with him to prove there's life beyond our understanding.
Is Disclosure Day a good movie to see?
Yes, Disclosure Day looks like a strong pick. It holds a 7.4/10 rating on TMDB, is directed by Steven Spielberg, and stars Emily Blunt and Josh O'Connor (see its IMDb page). At 146 minutes it's a full evening, best suited to viewers who enjoy tense, mystery-driven science fiction.
Is Disclosure Day a horror movie?
No, Disclosure Day isn't listed as horror. Its genres are Science Fiction and Thriller. Expect suspense, a chase and a conspiracy built around alien secrets, rather than jump scares or gore. That said, the paranoid tone could still feel tense for some viewers.
What is the new Steven Spielberg movie about?
Steven Spielberg's new movie, Disclosure Day, follows a whistleblower who uncovers secrets about aliens and is hunted by a corporation. A meteorologist with strange experiences teams up with him to prove life exists beyond our understanding. It came out June 12, 2026, and now streams on Peacock.
Final Thoughts
Disclosure Day pairs a Spielberg-directed alien conspiracy with a cast led by Emily Blunt and Josh O'Connor, and it's now streaming on Peacock. My verdict: this is one of the most interesting studio sci-fi thrillers of 2026, and the whistleblower hook earns its 7.4/10.
Ready to watch? Open Peacock, queue it up for a night when you've got the full 146 minutes, and turn the lights down. Then come back to our other sci-fi guides for your next pick.