Dylan O'Brien Sports Mustache at Tribeca 2025 Premiere of New Movie 'Twinless'

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)...