The Dark Tower is an upcoming American science fantasy western action horror film directed and co-written by Nikolaj Arcel. The film is a continuation of Stephen King's novel series of the same name, the film stars Idris Elba as Roland Deschain, a gunslinger on a quest to protect the Dark Tower – a mythical structure which supports all realities – and Matthew McConaughey as his nemesis, Walter o'Dim, the "Man in Black".[2]