'Battlestar' actress takes on 'Grey's Anatomy' gig 

Maureen Ryan of "The Watcher" for The Chicago Tribune reports that Battlestar Galactica's Mary McDonnell will be joining the cast of Grey's Anatomy. McDonnell currently portrays President Laura Roslin on BSG.
Keywords: battlestar galactica, article, casting news, the watcher, maureen ryan, grey's anatomy, mary mcdonnell, madame president, laura roslin, the chicago tribune