What it’s about
Backrooms (2026)
A strange doorway appears in the basement of a furniture showroom.
It shares its release window with Blast, so expect the two fanbases to be reacting side by side.
The theatrical release lands May 29, 2026.
Reactr / Trailer Reactions / Backrooms
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In Theaters · May 29, 2026
Backrooms
Trailer Reactions
R
Horror · Mystery · Science Fiction
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The Trailer
Press play: the Backrooms trailer
Dropped March 31, 2026
More Trailers
More Backrooms trailers, newest first
Teaser: Official Teaser
React to this trailer →The studio also posted 2 short promo clips for this title. The trailers above are the ones worth reacting to.
The cast
Who you’ll see in the trailer
On screen, it is Chiwetel Ejiofor, Renate Reinsve and Finn Bennett carrying the story. Chiwetel Ejiofor plays Clark.
The people behind it
The history behind Backrooms
The film comes from Atomic Monster, 21 Laps Entertainment and A24. Direction comes from Kane Parsons, with writing credits for Will Soodik. The finished film runs 1 hour 51 minutes. It carries an R rating in the US.
The reason to record this one
This trailer was made to be reacted to
The first theory is the fun one. Get it on camera before the comment sections decide for you.
Theatrical releases are won in the weeks before opening night, and trailer reactions are where that energy starts. Yours can be part of it.
Reactions on Reactr
Be one of the first to react
Reaction clips for Backrooms will appear here as Reactors share them. The Reactr recorder is free for creators: watch the trailer, record on camera or voice only, and the finished clip is yours to post on your own TikTok, Reels, or Shorts channel.
Record the first reaction →FAQ
Backrooms: quick answers
How do I record a Backrooms trailer reaction?
Open the reaction recorder on your phone at reactr.gg/studio/backrooms, choose camera or voice only, and press record while the trailer plays. Reactr captures your reaction and gives you a share-ready clip when the trailer ends. It is free.
Do I have to be on camera?
No. Voice Reaction mode records your commentary with the microphone only: the camera stays off, no face is recorded, and you still get a share-ready clip for your channel.
When does Backrooms come out?
Backrooms is scheduled to open in US theaters on May 29, 2026. Dates can shift, so check back for updates.
Who stars in Backrooms?
Chiwetel Ejiofor, Renate Reinsve, Finn Bennett, Lukita Maxwell and Mark Duplass lead the cast, directed by Kane Parsons.
Is Reactr free?
Yes. Recording reaction clips on Reactr is free, with no paywall on the finished clip. You own your clip and can post it to TikTok, Reels, Shorts, or anywhere else. Reactr makes money from studios and sponsors, not from creators.
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Your first reaction only happens once
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