Straight from Showtime: "Paying homage to actor and style icon Brad Pitt’s ultra bohemian, off-screen look, 'Californication' guest star Rob Lowe plays unpredictable mega-watt movie star Eddie Nero, a contender to play Hank (series star David Duchovny) in the film version of his blockbuster novel."
Lowe, who just joined the team on NBC's "Parks & Recreation," has signed on to appear in three episodes of "Californication's" upcoming fourth season.
In comparison, here's a shot of Pitt below. I'd say the wardrobe and makeup team at "Californication" pretty much nailed it (other than the lack of grey in Lowe's goatee. Looks like somebody's been using 'Just for Men'!).