Overview
- The trailer, released July 30 by Roadside Attractions, confirms the September 5 U.S. opening and teases O’Brien’s split portrayal of siblings separated by tragedy.
- The film premiered at the 2025 Sundance Film Festival, winning the U.S. Dramatic Audience Award and earning Dylan O’Brien a Special Jury Award for his performances.
- A piracy incident in February, when explicit footage from Twinless leaked online, prompted its removal from Sundance’s streaming platform and underscored digital security challenges.
- With a 96% Rotten Tomatoes score from 53 reviews and an 82 out of 100 on Metacritic, the drama has garnered strong critical endorsement.
- James Sweeney, Lauren Graham, Aisling Franciosi, Tasha Smith and Chris Perfetti join O’Brien in a story of identity, solidarity and hidden secrets within a twin grief support group.