Producers: Dan Goldberg, Todd Phillips

Written by: Jon Lucas, Scott Moore, Jeremy Garelick

Directed by: Todd Phillips

Starring: Bradley Cooper, Ed Helms, Zach Galifianakis

Studio: Warner Bros.

Released: 2009

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.