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 be reteaming with director Todd Phillips to score the film. The project marks the fourth collaboration between Beck and Philips, who also worked together on "School for Scoundrels", "The Hangover" and "Due Date". In April 2011, "Variety" reported that Liam Neeson's cameo as a Bangkok tattoo artist had been cut and Nick Cassavetes had been re-cast in the role. While editing, Phillips cut the scene that immediately followed Neeson's cameo, meaning it no longer had the information necessary to logically get the main characters to the situation in the next scene. Three weeks later, Phillips decided to reshoot the scene,