Emilie De Ravin as Allie Tisdale

- "Why did we have to move here mom?"

- "Actually I was wondering if I could try out for Gabriella."

Joshua Basset as Ricky Bowen

- "My plan from the start was to get Nini back but ever since I have met you, you have changed me and I love you, Allie."

Olivia Rodrigo as Nini Salazar-Roberts

- "Who does she think she is? And why does she get the special pink locker?"

Ashley Tisdale as herself

- "I wanted for you to do your last 2 years in high school without the stress of being my daughter."

Frankie A. Rodriguez as Carlos Rodriguez

- "She's new here this year but for some reason, she looks extremely familiar."

Kate Reinders as Miss Jenn

- "I know. For some reason, she gives me Ashley Tisdale vibes."

And the rest of the cast as their respective characters