The Hangover Part II an exotic location. That's all I know". In January 2010, Phillips dismissed rumors that Zac Efron would join the cast of "The Hangover 2", though Ed Helms stated that Efron would be a welcomed addition, commenting, "I love that guy. He's actually really funny". In March 2010, Phillips denied reports that the film would take place in Mexico or Thailand stating, "I don't know. There's a lot of rumors. There was rumor also that it was going to Mexico or something and neither are true". Also by March, Galifianakis, Helms, Bradley Cooper, and Justin Bartha completed negotiations and signed deals
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