Mary Birdsong Set For 'Percy Jackson'

"The Descendants" thesp Mary Birdsong, "Community" star Yvette Nicole Brown and Missi Pyle have been cast as the three Fates in Fox 2000's "Percy Jackson & The Olympians: Sea of Monsters."

The three Fates will be portrayed as taxi-driving sisters who bicker over the single eye they share."Big Love" thesp Douglas Smith is also a newcomer to the franchise, playing the protag's half-brother, a Cyclops.