'The Hangover Part III' Trailer

Here's the first trailer for the 'The Hangover part 3' from director Todd Phillips starring Bradley Cooper, Ed Helms, Zach Galifianakis, Ken Jeong, Heather Graham, Jeffrey Tambor, Justin Bartha, John Goodman, Sasha Barrese, Gillian Vigman and Jamie Chung.

The Hangover Part III is the third and final film in director Todd Phillips' record-shattering comedy franchise. This time, there's no wedding. No bachelor party. What could go wrong, right? But when the Wolfpack hits the road, all bets are off.

It opens May 24.