The Hangover Part 3 is a 2013 American comedy film directed by Todd Phillips. It is the third and final installment in the Hangover film series. The movie follows Phil Wenneck (Bradley Cooper), Stu Price (Ed Helms), Alan Garner (Zach Galifianakis), and Doug Billings (Justin Bartha) as they try to rescue their friend from a group of Russian mobsters.