Ben Affleck tried his luck at the Ante Up for Africa poker tournament at the Rio Hotel in Las Vegas on Thursday.
Other celebs playing cards included Charles Barkley, Kevin James, Adam Sandler and Don Cheadle.
The event raised $700,000 for aid to Darfur.
Celebs attend Serpentine party
Pierce Brosnan, Dennis Hopper and Thandie Newton (with husband Oliver Parker) were on hand at the annual Sepentine Garden Summer party on Wednesday at Hyde Park in London.