Dylan O’Brien is showing off his new mustache at the 2025 Tribeca Film Festival !

The 33-year-old actor joined writer, director, and co-star James Sweeney at the premiere of their new movie Twinless on Saturday (June 7) held at Village East Cinema in New York City.

For the premiere, Dylan sported a blue button-down shirt with colorful striped shorts while James wore the coordinating striped shirt.

Entertainment Weekly reports that the “film tells the story of a twin, Roman ( O’Brien ), who loses his brother, Rocky (also O’Brien ), and feels like he’s lost half of himself. After Rocky dies, Roman decides to stay in Rocky’s Portland, OR apartment as he navigates his grief. While attending a support group for twin loss, he befriends Dennis ( Sweeney ), a fello

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