Before 12-year-old Thomas Horn took home $31,800 as the winner of a kids’ edition of Jeopardy this past November, he confessed that there was one potential subject he was lacking in: “Pop culture, so I didn’t want them to ask anything about that.†It appears that Horn is about to get a crash course in Hollywood, since after an exhaustive search, he’s been cast as the lead in Stephen Daldry’s Extremely Loud and Incredibly Close, where he’ll star opposite Tom Hanks and Sandra Bullock in an adaptation of Jonathan Safran Foer’s novel. What is precociousness? [Deadline]