The Hangover

The Hangover is a 2009 American comedy film directed by Todd Phillips, co-written by Jon Lucas and produced by Phillips and Daniel Goldberg.
This film was produced by Legendary Pictures for Warner Bros. Pictures.
Casting: Bradley Cooper, Ed Helms, Zach Galifianakis, Justin Bartha, and Heather Graham.

The plot: Four friends travelled to Las Vegas for a bachelor party, only to wake up the next morning they not remembering anything and missing the groom, whose wedding is scheduled to occur the next day. This film was inspired by the filmmakers real life misadventures, and was released in North America on June 5, 2009, to critical praise and box office success.