Superstar and super- charitable good guy Matt Damon, helps out his Ocean’s Trilogy buddy Don Cheadle by partaking in some poker at the Rio in Vegas, to raise money for Africans in need. ‘Ante Up For Africa,’ is a non-profit organization founded by Don Cheadle and poker experts Annie Duke and Norm Epstein, which is dedicated to raising money and awareness for Africa. Damon also showed his love for poker during his 1998 cult classic flick ‘Rounders.’