In 'Twinless,' James Sweeney crafts a darkly funny, deeply unsettling tale of grief, identity, and male loneliness, co-starring Dylan O’Brien.

Dylan O’Brien gives a career-best performance in James Sweeney’s Twinless, about two friends who meet in a grief group for people who have lost twins.

After his twin brother dies, Roman (Dylan O’Brien), an irascible young man living in Portland, becomes emotionally unmoored. What is life without his other half? So far not great. The funeral ...

Twinless filmmaker James Sweeney shares the backstory of his collaboration with Dylan O’Brien (and how he saw all the Maze Runner films in theaters) and what impressed him so much about his talent.

Related: Dylan O'Brien doesn't remember if he met Dan Aykroyd before playing him in Saturday Night Explorating what it means to be (and lose) a twin first attracted O'Brien to the project.

Plus: the actor, who went viral playing Andrew Garfield's part in a scene from 'The Social Network,' recounts a night at TIFF ...

[Warning: This story contains mild spoilers for “Twinless,” which premiered on Thursday at Sundance Film Festival.] Dylan O’Brien reveled in the process of playing dual roles in “Twinless ...

Twinless revels in its undeniably clever conceits, while always maintaining a self-reflexive, empathetic eye probing the many lies and subterfuge embedded within.

“Twinless” introduces itself as a light but mordant bromance about the friendship that develops between two boys who’ve both lost their identical brothers. On the one hand we have Roman (Dylan O’Brien ...