Grey's Anatomy is an American medical drama focusing on the personal and professional lives of surgical interns, residents, and attendings.
CHYLER LEIGH
 The series premiered on March 27, 2005, on ABC as a mid-season replacement. The show's title is an allusion to Gray's Anatomy, a classic human anatomy textbook.
ELLEN POMPEO
 Grey's Anatomy is an American medical drama focusing on the personal and professional lives of surgical interns, residents, and attendings.
JUSTIN CHAMBERS
 The original cast consisted of nine star-billed actors: Ellen Pompeo, Sandra Oh, Katherine Heigl, Justin Chambers, T. R. Knight, Chandra Wilson, James Pickens Jr., Isaiah Washington, and Patrick Dempseybook.
Title CRISTINA YANG1
Grey's Anatomy is the longest-running scripted primetime show currently airing on ABC, and the longest scripted primetime series carried by ABC.