Movies News Dylan O'Brien in talks to join Michael Keaton in 'American Assassin' 05/12/2016 Dylan O'Brien is in talks to play the title character of CBS Films and Lionsgate's upcoming film "American Assassin" opposite Michael Keaton. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Dylan O'Brien Michael Keaton Deepwater Horizon