The Gunslinger, Roland Deschain (Idris Elba), roams an Old West-like landscape where “the world has moved on” in pursuit of the Man In Black (Matthew McConaughey). Also searching for the fabled The Dark Tower, in the hopes that reaching it will preserve his dying world.
The third person you see most in the movie trailer is Nicholas Hamilton. Nicholas Hamilton is seventeen and from Australia and plays Lucas Hanson in the film.
The Dark Tower movie is based on the Stephen King novels of the same name.
There are three The Dark Tower movies planned. The original Dark Tower book series was 7 novels.