• News
  • Reviews
  • Features
    • Articles and Long Reads
    • Interviews
    • Exclusives
  • Pop Culture
    • Movies
    • Television
    • Comic Books
    • Video Games
    • Toys & Collectibles
  • Flickering Myth Films
  • About
    • About Flickering Myth
    • Advertise on FlickeringMyth.com
    • Write for Flickering Myth

Flickering Myth

Film & TV News, Reviews and Features

  • Movies
  • News
  • Reviews
  • Long Reads
  • Trending
  • Franchises
    • Marvel
    • DC
    • Batman
    • Star Wars
    • Transformers
    • G.I. Joe
    • Masters of the Universe
    • Street Fighter
    • Teenage Mutant Ninja Turtles
    • Star Trek
    • The Lord of the Rings
    • James Bond
    • Alien
    • Predator
    • Doctor Who
    • Harry Potter

Trailer for Twinless starring Dylan O’Brien and James Sweeney

July 30, 2025 by Amie Cranswick

Lionsgate & Roadside Attractions have shared a trailer for Twinless, the upcoming drama from writer-director James Sweeney.

The film follows two grieving young men Roman (Dylan O’Brien) and Dennis (Sweeney) as they strike a friendship after meeting at a twin support group, unaware that they each harbor secrets which could unravel everything.

Joining O’Brien and Sweeney in the cast are Lauren Graham, Aisling Franciosi, Chris Perfetti, Tasha Smith; watch the trailer below…

In Twinless, 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.

Twinless arrives in cinemas on September 5th.

 

Filed Under: Amie Cranswick, Movies, News, Trailers Tagged With: Aisling Franciosi, Chris Perfetti, Dylan O'Brien, James Sweeney, Lauren Graham, Tasha Smith, Twinless

About Amie Cranswick

Amie Cranswick is Executive Editor of Flickering Myth, responsible for overseeing editorial coverage across film, television and pop culture.

ADD US TO YOUR PREFERRED SOURCES

WATCH OUR LATEST VIDEO HERE

YOU MIGHT ALSO LIKE:

Creepy Cabin Horror Movies You May Have Missed

The Counselor: When an All-Star Cast Couldn’t Deliver a Hit

The Essential Horror Movie Threequels

10 Great Movies Set Over a Single Night

Why Exorcist II: The Heretic Is the Worst Movie Ever Made

The Essential Cannon Films Scores

The Essential Joe Dante Movies

Feel the Heat: Uncomfortably Hot and Sweaty Films

10 Great Horror Movies That Avoid the Director Sophomore Slump

Halloween vs Christmas: Which Season Reigns Supreme in Cinema?

FEATURED POSTS:

Movie Review – Wild Horse Nine (2026)

Movie Review – The Last Temptation of Becky (2026)

Movie Review – I Play Rocky (2026)

Movie Review – Godzilla Minus Zero (2026)

“I’ll Be Back…to Kill You”: Why The Terminator is Pure Horror

Out, Out, Brief Candle: Patrick Stewart, 1940-2026

10 Hospital Horror Movies Worth Checking In For

10 Bizarre Horror Movies That Embrace the Absurd

FLICKERING MYTH FILMS

   
  • News
  • Reviews
  • Features
    • Articles and Long Reads
    • Interviews
    • Exclusives
  • Pop Culture
    • Movies
    • Television
    • Comic Books
    • Video Games
    • Toys & Collectibles
  • Flickering Myth Films
  • About
    • About Flickering Myth
    • Advertise on FlickeringMyth.com
    • Write for Flickering Myth

© Flickering Myth Limited. All rights reserved. The reproduction, modification, distribution, or republication of the content without permission is strictly prohibited. Movie titles, images, etc. are registered trademarks / copyright their respective rights holders. Read our Terms of Use and Privacy Policy. If you can read this, you don't need glasses.


 

Flickering MythLogo Header Menu
  • News
  • Reviews
  • Movies
  • Features and Long Reads
  • Trending
  • Franchises
    • Marvel
    • DC
    • Batman
    • Star Wars
    • Transformers
    • G.I. Joe
    • Masters of the Universe
    • Street Fighter
    • Teenage Mutant Ninja Turtles
    • Star Trek
    • The Lord of the Rings
    • James Bond
    • Alien
    • Predator
    • Doctor Who
    • Harry Potter
  • Flickering Myth Films
  • About Flickering Myth
    • About Flickering Myth
    • Advertise on Flickering Myth
    • Write for Flickering Myth