World War Z is a 2013 American apocalyptic action horror film directed by Marc Forster. The screenplay by Matthew Michael Carnahan, Drew Goddard, and Damon Lindelof is from a screen story by Carnahan and J. Michael Straczynski, based on the 2006 novel of the same name by Max Brooks. The film stars Brad Pitt as Gerry Lane, a former United Nations investigator who must travel the world to find a way to stop a zombie pandemic.