Roadside Attractions Releases Official Trailer for Sundance Audience Award Winner TWINLESS

Roadside Attractions has unveiled the official trailer for their upcoming dark comedy TWINLESS, which will launch in US theaters on September 5th, 2025. The film world premiered at this year’s Sundance Film Festival, where it won the Audience Award.

Twinless is written and directed by James Sweeney, and stars Dylan O'Brien and Sweeney, alongside Aisling Franciosi, Lauren Graham, Tasha Smith, Chris Perfetti, François Arnaud, Susan Park and Cree Cicchino.

In the film, two young men meet in a twin support group and form an unlikely friendship. Roman (Dylan O'Brien) and Dennis (James Sweeney) both search for solace and an identity without their other halves and soon become inseparable outside the group. But when Roman meets Dennis’ ebullient co-worker, Marcie (Aisling Franciosi), all is revealed to be not what it seems, as each man harbors secrets that could unravel everything.

You can find the release date on our In Theaters calendar. Check out the new trailer below.



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