What it’s about
On a String (2026)
It shares its release window with Hope, so expect the two fanbases to be reacting side by side.
It hits the big screen on September 11, 2026.
Reactr / Trailer Reactions / On a String
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 · September 11, 2026
On a String
Trailer Reactions
R
Comedy · Music
A young, Juilliard-trained violist is still living at home with her parents in the heart of NYC, while trying to make a living playing gigs with her friends in the homes of strangers.
Free · no editing · camera or voice only · the clip is yours to post
The Trailer
Watch the On a String trailer
Dropped June 29, 2026
Faces to watch
Who you’ll see in the trailer
The cast is fronted by Isabel Hagen, Dylan Baker and Ling Ling Huang. Isabel Hagen plays Isabel.
The team behind it
The history behind On a String
Production is led by Dweck Productions and Bradford Operations. Direction comes from Isabel Hagen. It clocks in at 1 hour 18 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 honest laugh is the whole review. Catch yours on camera before you see anyone else’s take.
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 On a String 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
On a String: quick answers
How do I record a On a String trailer reaction?
Open the reaction recorder on your phone at reactr.film/studio/on-a-string, 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 On a String come out?
On a String is scheduled to open in US theaters on September 11, 2026. Dates can shift, so check back for updates.
Who stars in On a String?
Isabel Hagen, Dylan Baker, Ling Ling Huang, Frederick Weller and Eric Bogosian lead the cast, directed by Isabel Hagen.
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
Mutiny
August 21, 2026
Coyote vs. Acme
August 28, 2026
The Last Sunrise
August 26, 2026
The Runner
September 2, 2026
Toxic: A Fairy Tale for Grown-ups
August 26, 2026
Facing El Chapo
August 21, 2026
Your first reaction only happens once
Watch the On a String trailer, hit record on camera or voice only, and the clip is yours to post.
React to On a String →Are you the rights holder of On a String? 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.