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Entertainment • Film

Twinless

Twinless is a 2025 American psychological black comedy film written and directed by James Sweeney.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Twinless is a 2025 American psychological black comedy film written and directed by James Sweeney. It stars Dylan O'Brien and Sweeney as two grieving young men who meet in a support group for people who have lost a twin and form an unexpected bond. The film premiered at the 2025 Sundance Film Festival, where it won the Audience Award, and was released in the United States on September 5, 2025.

Premise

Twinless follows two young men coping with grief after losing their twins. Their connection begins in a support group and develops into an intense and complicated friendship.

Production and cast

The film is written and directed by James Sweeney, who also stars in it. Dylan O'Brien plays the other lead role, alongside Aisling Franciosi, Chris Perfetti, François Arnaud, Tasha Smith, and Lauren Graham.

Release and reception

Twinless premiered at the 2025 Sundance Film Festival and won the Audience Award. It later received a U.S. theatrical release on September 5, 2025.

Key facts

  • Twinless is a 2025 psychological black comedy written and directed by James Sweeney.
  • The film stars Dylan O'Brien and James Sweeney as two men who meet in a support group for people who have lost a twin.
  • It premiered at the 2025 Sundance Film Festival and won the Audience Award.
  • The cast also includes Aisling Franciosi, Chris Perfetti, François Arnaud, Tasha Smith, and Lauren Graham.
  • The film was released in the United States by Lionsgate Films and Roadside Attractions.
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Canadian context

The film screened on the international festival circuit and was reviewed by Canadian and Canadian-focused entertainment outlets, but it does not appear to have a specific Canada-only production or story connection in the provided sources.

Frequently asked questions

What is Twinless about?
It is about two grieving young men who meet in a support group for people who have lost a twin and develop an unexpected friendship.
Who directed Twinless?
James Sweeney wrote and directed Twinless.
Who stars in Twinless?
The film stars Dylan O'Brien and James Sweeney, with Aisling Franciosi, Chris Perfetti, François Arnaud, Tasha Smith, and Lauren Graham in supporting roles.
When did Twinless premiere?
It premiered at the 2025 Sundance Film Festival on January 23, 2025.
Did Twinless win any awards?
Yes. It won the Audience Award at the 2025 Sundance Film Festival.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Twinless
    Supports: Basic film identification, genre, premise, cast, Sundance premiere, and U.S. release information.
  2. IMDb — https://www.imdb.com/title/tt31322753/
    Supports: Plot premise involving a man grieving his twin brother and joining a twin support group.
  3. Variety — https://www.variety.com/2025/film/reviews/twinless-review-1236283830/
    Supports: Premise, thematic description, and Sundance debut context.
  4. Rotten Tomatoes — https://www.rottentomatoes.com/m/twinless
    Supports: Synopsis, release date, runtime, genre, and cast details.
  5. The Guardian — https://www.theguardian.com/film/2025/jan/24/twinless-movie-review-sundance
    Supports: Sundance screening context and plot setup involving two men bonding after twin loss.