Split is a psychological thriller directed by M. Night Shyamalan, featuring Anya Taylor-Joy in a leading role. The film revolves around a man named Kevin, who has dissociative identity disorder and kidnaps three teenage girls. Anya Taylor-Joy plays Casey, one of the kidnapped girls, who must find a way to survive and outsmart Kevin's multiple personalities. Split is a suspenseful and intense movie that showcases Anya Taylor-Joy's talent for portraying complex and resilient characters.