Zac Efron - Troy Bolton Vanessa Hudgens - Gabriella Montez Ashley Tisdale - Sharpay Evans Lucas Grabeel - Ryan Evans Corbin Bleu - Chad Danforth Monique Coleman - Taylor McKessie Bart Johnson - Jack Bolton Alyson Reed - Miss Darbus Olesya Rulin - Kelsi Nielsen Chris Warren Jr. - Zeke Baylor Ryne Sanborn - Jason Cross Socorro Herrera - Mrs. Montez Joey Miyashima - Diretor Matsui Leslie Wing - Mrs. Bolton Kaycee Stroh - Martha Cox Anne Kathryn Parma - Susan Nick Whitaker - Alan Falon Grace - Cyndra |