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 Teddy lost his finger playing the knife game) before erasing the evidence of their exploits once again. Cooper, Helms, Galifianakis, Bartha, Jeong, Barrese, Vigman, and Tambor reprise their roles from the first film. Mike Tyson also reprises his role as himself and sings a cover of the 1984 Murray Head song "One Night in Bangkok" for the movie. The film is the Hollywood debut of Mason Lee, son of director Ang Lee. Nick Cassavetes has a cameo appearance as a Bangkok tattoo artist. Liam Neeson was initially cast in that role, which was originally envisioned for Mel Gibson. In April