Dredd is a 2012 science fiction action film directed by Pete Travis and written and produced by Alex Garland. It is based on the 2000 AD comic strip Judge Dredd and its eponymous character created by John Wagner and Carlos Ezquerra. Karl Urban stars as Judge Dredd, a law enforcer given the power of judge, jury and executioner in a vast, dystopic metropolis called Mega-City One that lies in a post-apocalyptic wasteland.
https://en.wikipedia.org/wiki/Dredd