Guillermo del Toro’s giant robots vs. giant monsters film, Pacific Rim, is one of the most anticipated films of 2012. Finally have a trailer and an idea how the film will look below. Plot: When an alien attack threatens the Earth’s existence, giant robots piloted by humans are deployed to fight off the menace. Pacific Rim is directed by Guillermo del Toro. The film stars Idris Elba, Charlie Hunnam, Rinko Kikuchi and giant monsters.