Pacific Rim is a work.
Pacific Rim is a 2013 American science fiction monster film directed by Guillermo del Toro , and starring Charlie Hunnam , Idris Elba , Rinko Kikuchi , Charlie Day , Burn Gorman , Robert Kazinsky , Max Martini and Ron Perlman . The screenplay is by Travis Beacham and del Toro , with a story by Beacham . The film is set in the future , when Earth is at war with the Kaiju , colossal monsters which have emerged from an interdimensional portal on the bottom of the Pacific Ocean .