Hollywood's Secret Cat Guys!From Ricky Gervais to Russell Brand, these famous names have an affinity for felines

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JESSE EISENBERG

You could call the 30 Minutes or Less star's home a refuge for less fortunate felines. "I'm a foster parent for cats, and the more movies I do, the more guilty I feel – and the more cats I feel the need to get to alleviate the guilt from doing the movies," Eisenberg told Conan O'Brien in 2010.