Actor Dylan O'Brien revealed the careful preparation behind his dual performance in "Twinless," where strategic production scheduling helped him create distinct identities for twin characters Rocky and Roman.

Technical issues aside, James Sweeney's sophomore outing as writer, director and star was very warmly received inside Park City's Eccles Center Theatre to help kick off this year's Sundance Film Festival.

I hope that is not the fate of Twinless, a singular, beguiling film. Writer-director James Sweeney, who also co-stars, does trade in some of the stereotypical quirk and tic of Park City ephemera. But he deftly stitches those fabrics into something new,

Dylan O'Brien and James Sweeney star in Sweeney's diabolical dark comedy "Twinless," about two men who meet in a twin bereavement group.

Fifteen minutes before the world premiere of "Twinless," a dark comedy that sees "The Maze Runner" star playing a character who is grieving the loss of his twin brother, the actor was practically giddy as he talked about the film.

Dylan O'Brien is startling playing a set of very different twin brothers in James Sweeney's impressive Sundance dramedy 'Twinless'

Sundance: James Sweeney levels up with this confident and extremely clever story about two boys who meet in a support group for siblings who've lost a twin.