Bill Clinton Films Hangover 2 Cameo Ex-prez joins cast in Bangkok By Rob Quinn, Newser Staff Posted Nov 15, 2010 4:23 AM CST 13 comments Comments Bill Clinton, seen here leaving a restaurant in New York, will play himself in "The Hangover 2." (AP Photo/Mike Groll) (Newser) – The cast of The Hangover 2, who nixed a Mel Gibson cameo, welcomed Bill Clinton to filming in Bangkok over the weekend, TMZ reports. The former president, who was in Thailand to deliver a speech on clean energy, will appear in the sequel as himself in a small cameo role. Liam Neeson has replaced Gibson in the role of a Bangkok tattoo artist, a move that sources say infuriated the Australian. Click here for more.