Here are some of the main characters:
* Nini Salazar-Roberts: A talented singer and actress, she's the protagonist of the show.
* Ricky Bowen: A charming and aspiring musician, he's Nini's best friend and love interest.
* Gina Porter: A confident and ambitious singer, she's Ricky's best friend.
* EJ Caswell: A popular and talented student, he's Gina's love interest and sometimes a rival to Ricky.
* Ashlyn Caswell: EJ's sister, she's a kind and creative student who is often involved in the school's theatre productions.
* Big Red: Ricky's best friend, he's loyal and supportive, and often provides comic relief.
* Carlos Rodriguez: A talented and energetic dancer, he's one of the main members of the Wildcats' dance team.
* Kourtney Greene: A confident and ambitious student, she's often a rival to Nini and Gina.
The series features a rotating cast of characters each season, but these are some of the most prominent and recurring figures throughout the show.