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A24 Unveils First Backrooms Trailer Ahead of May 29 Theatrical Release

The rollout marks YouTuber Kane Parsons’ feature debut with backing from A24, Chernin, Atomic Monster, 21 Laps.

Overview

  • A24 released the first full trailer on Tuesday, confirming a nationwide theater launch on May 29 for the sci‑fi horror feature Backrooms.
  • The official premise follows a therapist who enters an otherworldly dimension to find a missing patient, with the trailer teasing a doorway in a furniture store basement.
  • Kane Parsons, known for viral Backrooms shorts on YouTube, directs in his feature debut, leading a cast that includes Chiwetel Ejiofor, Renate Reinsve, Mark Duplass, Finn Bennett, Lukita Maxwell, and Avan Jogia.
  • Chernin Entertainment co‑finances alongside A24, with producers from James Wan’s Atomic Monster and Shawn Levy’s 21 Laps attached, and principal photography reported in Canada in July–August 2025.
  • The campaign nods to the 2019 4chan origin, with posters echoing the line “If you’re not careful,” as the film expands the creepypasta and Parsons’ found‑footage aesthetic for a studio release.