The central characters are glee club director Will Schuester ( Matthew Morrison ) , cheerleading coach Sue Sylvester ( Jane Lynch ) , guidance counselor Emma Pillsbury ( Jayma Mays ) , and glee club members Artie Abrams ( Kevin McHale ) , Brittany Pierce ( Heather Morris ) , Finn Hudson ( Cory Monteith ) , Kurt Hummel ( Chris Colfer ) , Mercedes Jones ( Amber Riley ) , Noah `` Puck '' Puckerman ( Mark Salling ) , Quinn Fabray ( Dianna Agron ) , Rachel Berry ( Lea Michele ) , Santana Lopez ( Naya Rivera ) and Tina Cohen-Chang ( Jenna Ushkowitz ) .
The second season 's cast were ; director of glee club Will Schuester ( Matthew Morrison ) , cheerleading coach Sue Sylvester ( Jane Lynch ) , guidance counselor Emma Pillsbury ( Jayma Mays ) , and glee club members Artie Abrams ( Kevin McHale ) , Brittany Pierce ( Heather Morris ) , Finn Hudson ( Cory Monteith ) , Kurt Hummel ( Chris Colfer ) , Mercedes Jones ( Amber Riley ) , Noah `` Puck '' Puckerman ( Mark Salling ) , Quinn Fabray ( Dianna Agron ) , Rachel Berry ( Lea Michele ) , Santana Lopez ( Naya Rivera ) and Tina Cohen-Chang ( Jenna Ushkowitz ) .