Grey's Anatomy is one the longest-running TV shows in history-excluding animated series like The Simpsons and Family Guy.
Having premiered in 2005, the medical drama series centers on the lives of medical practitioners of Grey Sloan Hospital, consisting of surgical interns, attendings and residents as they train to become doctors. They strive to balance work and professional life.
Grey's Anatomy's initial cast comprised Ellen Pompeo, Sandra Oh, Katherine Heigl, Justin Chambers, T.R. Knight, Chandra Wilson, James Pickens Jr., Isaiah Washington and Patrick Dempsey. However, the cast has undergone major changes throughout the show.
Word has it that season 19 could be the series finale, but the introduction of new cast members might open the door for an extension. We'll just have to wait and see. Meanwhile, here's a little info about the newbies.