Twinless

Dylan O'Brien stars as Roman/Rocky in "Twinless," a 2025 American psychological black comedy film written and directed by James Sweeney. The film follows two men who lost their respective twin brothers, developing a growing friendship after meeting in a support group, but harboring long-hidden secrets that threaten to tear them apart. As their relationship deepens, Dennis (James Sweeney) introduces Roman to his colleague Marcie, leading to jealousy and deception, which ultimately forces Roman to confront the truth about himself and his connection with Dennis.