Gleeboasts a huge cast, which is great — so much talent! So many memorable characters! — but it also means we're often stuck saying goodbye to characters we've become attached to and actors we've learned to love (or, in the case of some of the famous guest stars, learned to love even more).
Fortunately, leaving McKinley High doesn't mean leaving the entertainment biz. So catch up with some of our favorite ex-Glee stars here! ;