Sandra Oh attended the event which was held on June 28th and New York Times has the scoop:
Ms. Hall and Suzan Lori-Parks (“Topdog/Underdog”) were among the prominent playwrights attending the benefit. By the end of the night, $7,000 had been raised as the hat was passed among about 45 people from the world of film and theater, including Sandra Oh (“Grey’s Anatomy”), Russell Hornsby and Chris Chalk (who play the sons in the Broadway revival of “Fences”), Eisa Davis (“Passing Strange”), the directors Malcolm Lee and Charles Randolph-Wright, and David Dower, associate director of Arena Stage in Washington, D.C.The full article is available here