Occupy Wall Street has its fair share of celebrity supporters, including many whom have gone down to Zuccotti Park to check out the encampment. And while their mission extends far past kudos from Hollywood, they just received one of their biggest movie star endorsements.Brad Pitt, as star of this fall's "Moneyball," has done a lot of talking about rethinking baseball's financial system, but in doing so, he's also made a lot of allusions to broader fiscal issues.