The fourth season began with fourteen in the main cast, with Chord Overstreet being promoted, and Mays and Agron were removed and demoted to recurring cast. and Darren Criss promoted to it, while Gilsig and O'Malley no longer received star billing. In the third season the main cast remained at fifteen, with Harry Shum, Jr.
For the second season, formerly recurring cast members Mike O'Malley, Heather Morris and Naya Rivera were promoted to the main cast. The initial main cast encompassed club director and Spanish (later History) teacher Will Schuester ( Matthew Morrison), cheerleading coach Sue Sylvester ( Jane Lynch), guidance counselor Emma Pillsbury ( Jayma Mays), Will's wife Terri ( Jessalyn Gilsig), and eight club members played by Dianna Agron, Chris Colfer, Kevin McHale, Lea Michele, Cory Monteith, Amber Riley, Mark Salling and Jenna Ushkowitz. It focuses on the high school glee club New Directions competing in the show choir competition circuit, while its members deal with relationships, sexuality and social issues. Glee is a musical comedy-drama television series that aired on Fox in the United States for six seasons from 2009 to 2015.
