as Rachel Berry : The ambitious, spotlight-seeking lead soprano.

as Brittany S. Pierce : A talented dancer and cheerleader known for her quirky personality. Supporting and Later Main Cast The ensemble expanded over the years to include: Glee cast season 3 - IMDb

The original core group featured a mix of faculty and students:

as Sue Sylvester : The formidable and conniving cheerleading coach who serves as the club's primary antagonist.

as Kurt Hummel : A talented countertenor whose journey involves navigating his identity in high school.