The rundown
Postmortem (2026)
Opening against Other Mommy, this one will be fighting for the same weekend conversation.
The theatrical release lands October 10, 2026.
Reactr / Trailer Reactions / Postmortem
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In Theaters · October 10, 2026
Postmortem
Trailer Reactions
Horror
Helena, a forensic medical investigator, is overwhelmed by grief after the death of her husband Richard. When she becomes obsessed with a disturbing new case, Helena starts to believe she can bring Richard back, unleashing a cascade of terrifying consequences.
Free · no editing · camera or voice only · the clip is yours to post
The Trailer
Hit play on the Postmortem trailer
Dropped October 8, 2026
Who’s on the poster
Who you’ll see in the trailer
The cast is fronted by Odette Annable, Allegra Leguizamo and Julio Cesar Cedillo. Odette Annable plays Helena.
Who’s making it
The history behind Postmortem
Production is led by Cinestesia Films and Notorious Productions Film Fund. Direction comes from Andres Beltran. Runtime is listed at 1 hour 34 minutes.
The reason to record this one
This trailer was made to be reacted to
The best horror trailers do not explain, they unsettle. Record the moment your stomach drops before your brain catches up.
By opening weekend everyone will have a take. The reactions that matter are the ones recorded before the takes calcify.
Reactions on Reactr
Be one of the first to react
Reaction clips for Postmortem 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
Postmortem: quick answers
How do I record a Postmortem trailer reaction?
Open the reaction recorder on your phone at reactr.film/studio/postmortem, 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 Postmortem come out?
Postmortem is scheduled to open in US theaters on October 10, 2026. Dates can shift, so check back for updates.
Who stars in Postmortem?
Odette Annable, Allegra Leguizamo, Julio Cesar Cedillo, Tony Revolori and Andres Londono lead the cast, directed by Andres Beltran.
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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