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.
Bradley Cooper
as Phil Wenneck
Ed Helms
as Stu Price
Zach Galifianakis
as Alan Garner
Justin Bartha
as Doug Billings
Ken Jeong
as Mr. Chow
John Goodman
as Marshall
Melissa McCarthy
as Cassie
Jeffrey Tambor
as Sid Garner
Heather Graham
as Jade
Mike Epps
as Black Doug
Sasha Barrese
as Tracy Garner
Jamie Chung
as Lauren
