The Hangover Part II did not have the full support of my entire cast and crew." Liam Neeson replaced Gibson after being invited by Cooper, who worked with Neeson on "The A-Team", to take the part. Neeson, a fan of the first film stated, "I just got a call to do a one-day shoot on 'Hangover 2' as a tattooist in Thailand, and that's all I know about it". Gibson was reportedly furious over the decision. A source close to Gibson stated, "He doesn't understand why Mike Tyson, a drug user who turned his life around, was given a chance while Mel was kicked
The Hangover Part II 2009, Warner Bros. hired Todd Phillips, who directed "The Hangover", to write a sequel with Scot Armstrong. The deal, reached two months before the release of "The Hangover" in June 2009, came as result of "The Hangover"'s positive screen tests, and a trailer which drew a strong reaction from audiences at ShoWest. The writers from the first film, Scott Moore and Jon Lucas, decided not to come back to write the sequel because, according to Lucas, "they were done with that story…and didn't want to just write "Hangover" sequels their whole careers". "Variety" reported in July 2009, that production on