The Hangover is a 2009 American comedy film, directed by Todd Phillips. The film stars Bradley Cooper, Ed Helms, Zach Galifianakis, Heather Graham, Justin Bartha, and Jeffrey Tambor. The Hangover tells the story of Phil Wenneck, Stu Price and Alan Garner, who travel to Las Vegas for a bachelor party to celebrate their friend Doug Billings' impending marriage. However, Phil, Stu and Alan have no memory of the previous night's events and must find Doug before the wedding can take place.
The Hangover (2009) Zach Galifianakis, Bradley Cooper, Justin Bartha - Director: Todd Phillips IMDB: Three buddies wake up from a bachelor party in Las Vegas, with no memory of the previous night and the bachelor missing. They make their way around the city in order to find their friend before his wedding. - REMOVED FROM 2012 EDITION