A24 has released a new trailer for the film and poster artwork for Kane Parsons’ mysterious sci-fi horror project Backrooms, set to hit UK cinemas on May 29, 2026.
The film is Parsons directorial debut and comes from a screenplay by DMZ showrunner Roberto Patino and Will Soodik. Clues can be found in Parsons’ YouTube series, also called Backrooms, which focusses on the urban legend of the same name. The new theatrical version will star Chiwetel Ejiofor, Renate Reinsve, Mark Duplass, Finn Bennett, Lukita Maxwell, and Avan Jogia.
Watch the new trailer in the player below:
The new posters for the film highlight both Chiwetel Ejiofor and Renate Reinsve in their mysterious roles:
Backrooms releases in UK cinemas on May 29, 2026 from A24.

