The third installment of the booze-fueled Hangover franchise hits theaters this Friday, and we already know what to expect from the film: drugs, high-speed chases, some wild animal, strippers, and Ken Jeong's penis.

But the actors behind the infamous wolf pack are not as transparent. Get to know Bradley Cooper, Ed Helms and Zach Galifianakis with our 30 Things You Didn't Know About the Cast of The Hangover Part III.

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