Zach Galifianakis talks about 'The Hangover,' 'Between Two Ferns,' and more!

Anyone who has seen The Hangover (opening tomorrow) will tell you that they're already intoxicated by the film's breakout star, 39-year-old Zach Galifianakis. The comedian has developed a cult following for his stand-up act and popular Funny or Die web series, Between Two Ferns. But what's going on underneath his unruly, scruffy head of hair? Galifianakis took time out of his hectic schedule to chat about The Hangover, getting serious with Sean Penn, and what he hopes to do after he's done with "this whole showbiz nonsense."

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