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OTRC: 'The Hangover 2' trailer is released - watch

Justin Bartha, Bradley Cooper, Zach Galifianakis and Ed Helms appear in a scene from 'The Hangover Part 2.' (Warner Bros. Pictures)

The trailer for "The Hangover Part 2" was recently released and shows cast members Bradley Cooper, Ed Helms, Justin Bartha and Zach Galifianakis back in action, this time in Thailand.

In the first R-rated comedy movie, which hit theaters in 2009, hijinks ensued when the four arrived in Las Vegas for a bachelor party ahead of the wedding of Doug, played by Bartha.

In the sequel, which is set for release during Memorial Day weekend on May 26, the four travel to Bangkok for Stu's wedding. Helms plays the character who famously lost a tooth in the first film.

"The Hangover Part 2" features cameos by former U.S. President Bill Clinton and actor Liam Neeson. Cooper, who is reprising his role as party-loving Phil in "The Hangover 2", starred with Neeson in the film "The A-Team" last year. Mike Tyson appeared in the first "Hangover" movie.

Mel Gibson was set to appear in "The Hangover Part 2" but his cameo was canceled following a lack of support from several cast and crew members. Gibson has been making headlines in recent months due to an ugly custody battle with ex-girlfriend Oksana Grigorieva and a leaked explicit, sexist and racist rant against her said to have been made by him.

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