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Zombie attack!!! Brad Pitt plays a family man and United Nations employee who faces a deadly zombie pandemic in World War Z -- we gave you an exclusive first look and now we've got the intense trailer!

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Just when you thought that the zombie genre may be starting to generate less screams and more Zzzz's, World War Z arrives with an adrenaline shot in the arm for the genre -- complete with insane special effects and a claustrophobic urgency and realism not seen since the introduction of those "speed zombies" in 28 Days Later.

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Directed by Marc Forster (Quantum of Solace), World War Z invades theaters June 21, 2013.