The Hangover (film series) 2010, in Ontario, California, before moving on location in Thailand. Two years after "The Hangover Part II", Phil, Stu, and Doug are happily living uneventful lives at home. The only member of the Wolfpack who is not content is Alan. Still lacking a sense of purpose, Alan has ditched his meds and given in to his natural impulses until the untimely death of his father forces him to finally re-evaluate his lifestyle and seek the help he needs. Phil, Stu, and Doug are there to make sure Alan takes the first step. This time, Alan gets married to Cassandra, and
The Hangover Part II to the curb. Everybody deserves a second chance". In November 2010, it was reported that Jamie Chung had been cast in the film as Stu's fiancée as well as it being renamed, "The Hangover Part II". In an interview director Todd Phillips revealed that Mike Tyson would be back in the sequel. Also in November, it was reported that Paul Giamatti had joined the cast. The next day it was reported that former U.S. President Bill Clinton filmed a cameo appearance for the film in Bangkok while he was in the city to deliver a speech on clean energy. Ed