It's been two years since the gang known as the Wolfpack narrowly escaped disaster in Bangkok. Now, Phil (Bradley Cooper), Stu (Ed Helms) and Doug (Justin Bartha) have happy lives at home -- but Alan (Zach Galifianakis) doesn't. Still lacking contentment and a sense of purpose, Alan has gone off his meds and surrendered to his natural impulses. It's up to the other members of the Wolfpack to get him through his personal crisis by embarking on a road trip to the place it all began: Las Vegas.
Director: Todd Phillips
Producer: Todd Phillips, Dan Goldberg, Thomas Tull, Scott Budnick, Chris Bender and J.C. Spink
Cast: Bradley Cooper, Ed Helms, Zach Galifianakis, Justin Bartha, Ken Jeong, John Goodman, Melissa McCarthy, Jeffrey Tambor, Heather Graham, Mike Epps, Sasha Barrese, Jamie Chung and Gillian Vigman