'The Hangover 2' Cast: Who's In And What's Going On With The Plot?

With all the casting rumors swirling around "The Hangover 2," it's hard to know exactly what in the name of Mike Tyson's pet tiger will be going on in the sequel to the highest-grossing R-rated comedy of all time.
Is Liam Neeson playing the role of the deranged Bangkok tattoo artist that was originally intended for [...]

Source: http://moviesblog.mtv.com/2010/11/15/the-hangover-2-cast-plot/

Shiri Appleby Sienna Guillory Sienna Miller Simone Mütherthies Sofía Vergara