What it’s about
O Horizon (2026)
Opening against Disclosure Day, this one will be fighting for the same weekend conversation.
It hits the big screen on June 12, 2026.
Reactr / Trailer Reactions / O Horizon
New here? Reactr is the free trailer reaction maker for creators: watch the trailer below, record your reaction on camera or voice only, and post the clip to your own channel. Studios and brands start here.
In Theaters · June 12, 2026
O Horizon
Trailer Reactions
Scored from what 6 creators said on camera while watching the trailer, out loud, in their own YouTube reaction videos. A proprietary Reactr score. How the score works
Science Fiction · Drama
Abby, a brilliant, young neuroscientist who has recently lost her father, drowns her grief by spending her days working with a monkey named Dorey. Abby meets a programmer, Sam, who has created a technology that reconnects Abby with her beloved father. Her relationship with her digitized dad then forces her to re-examine everything from her romantic relationships to her life’s work.
Free · no editing · camera or voice only · the clip is yours to post
The Trailer
First look: the O Horizon trailer
Dropped April 30, 2026
Creator Reactions
What creators said about the O Horizon trailer
Creators posted 6 reaction videos to YouTube watching this trailer. Reactr scored what they actually said, out loud, on camera, and combined it into the Reactr Rating shown at the top of this page. All of the videos are below. How the score works.
music in this was so fantastic. The music definitely helped with the intensity
Like he's really so gorgeous. Like to say that he Okay, I
the Dying Lens is a phenomenal album. Their last record Tides came out on
All right, welcome back to the channel. Today we have the new announcement from
Damn, she looks sick and champions. Wow. Who shine in
came mac hines. Is this an anime? For
Every reaction above is a creator's own upload on YouTube, credited to their channel. Reaction videos are found automatically; a creator can claim their page or ask for a video to be removed from the creator directory.
Reactr Verdict
Did O Horizon deliver on its trailer?
61The trailer
6 reaction videos scored. See them all
6 reaction videos scored. See them all
?The film itself
scored from reactions posted after release
scored from reactions posted after release
Verdict comingafter opening weekend
After release, creators post a second kind of video, their reaction to the film itself. Reactr scores those the same way it scored the trailer reactions and puts the two numbers side by side to answer one question: did the movie live up to its trailer?
The people behind it
The history behind O Horizon
Production is led by Great Curve Films. Direction comes from Madeleine Rotzler. The finished film runs 1 hour 47 minutes.
On screen
Who you’ll see in the trailer
On screen, it is Maria Bakalova, David Strathairn and Adam Pally carrying the story. Maria Bakalova plays Abby.
The case for reacting
This trailer was made to be reacted to
A drama trailer sells restraint, and the reaction it earns is usually just as quiet. Record it anyway.
The opening weekend conversation gets written by whoever shows up early with something honest. Show up early.
Reactions on Reactr
Be one of the first to react
Reaction clips for O Horizon 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
O Horizon: quick answers
How do I make my own O Horizon reaction video?
Open the reaction recorder on your phone at reactr.film/studio/o-horizon, 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 O Horizon come out?
O Horizon is scheduled to open in US theaters on June 12, 2026. Dates can shift, so check back for updates.
Who stars in O Horizon?
Maria Bakalova, David Strathairn, Adam Pally, Maggie Grace and Paulina Porizkova lead the cast, directed by Madeleine Rotzler.
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.
More trailers this season
Keep reacting
Obsession
May 15, 2026
Toy Story 5
June 19, 2026
Minions & Monsters
July 1, 2026
Moana
July 10, 2026
Backrooms
May 29, 2026
Disclosure Day
June 12, 2026
Your first reaction only happens once
Watch the O Horizon trailer, hit record on camera or voice only, and the clip is yours to post.
React to O Horizon →Are you the rights holder of O Horizon? Send us your press kit and this page is rebuilt from your material, with your assets handed to every creator who reacts.
Film data and images courtesy of TMDB. This product uses the TMDB API but is not endorsed or certified by TMDB.