Early in American Assassin, young Mitch Rapp (Dylan O'Brien) wakes up strung out with a mop of hair and beard as he recovers from the death of his fiancee at the hands of terrorists. O'Brien ...

Dylan O’Brien and Michael Keaton in the trailer for the thriller “American Assassin ... but it’s provided me with a lot of growth and insight that I wouldn’t have had otherwise.” ...

"It was the worst experience of my life," says Dylan O'Brien, who now stars in American Assassin Dylan O’Brien ... like a lot of enlightenment and growth as a person,” he explains.

EXCLUSIVE: Dylan O’Brien is in negotiations with CBS Films to play Mitch Rapp in American Assassin ... ops recruit who’s devastated by the loss of his fiancee to a terrorist attack.

"I didn't really even want to leave my couch," O'Brien said, referring to his months of recovery after he was injured on the set of The Maze Runner For Dylan O’Brien, taking on the high-energy ...