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.Opening in theaters on May 24, The Hangover Part III stars Bradley Cooper, Ed Helms, Zach Galifianakis, Ken Jeong, Heather Graham, Jeffrey Tambor, Justin Bartha, John Goodman, Jamie Chung and others.