to be late to the show. Kelsi and Ryan start the show. As Troy and Gabriella's understudy, Jimmie performs with Sharpay and embarrasses her, although the audience applauds. Troy and Gabriella appear during the second half of the show and sing their duet together. Tiara betrays Sharpay, telling her she will take over the drama department next year. Sharpay finally learns how it feels to be manipulated and humiliated, but ultimately joins Tiara's performance and upstages her as payback. At the end of the musical, Ms. Darbus reveals that both Kelsi and Ryan have won the Juilliard scholarship, and Troy reveals he has chosen to attend the University of California, Berkeley to be close to Gabriella, play basketball, and perform in theater. Taylor reveals that she will be attending Yale University with honors to study political science, and Sharpay and Chad reveal they will attend the University of Albuquerque for performing arts and basketball, respectively. At the graduation ceremony, Troy gives the class speech after being selected by Ms. Darbus, and everyone celebrates their graduation. The six leads walk toward the stage and take their final bows as the curtain closes. Cast Zac Efron as Troy Bolton, the basketball team captain, the leader of the group and Gabriella's boyfriend. Vanessa Hudgens as Gabriella Montez, an intelligent honor student and Troy's girlfriend. Ashley Tisdale as Sharpay Evans, a glamorous ambitious teen, but conniving, diva, Ryan's twin sister, East High's Drama Club president and Zeke's love interest. Lucas Grabeel as Ryan Evans, an aspiring choreographer, Sharpay's twin brother and Kelsi's love interest. Corbin Bleu as Chad Danforth, one of Troy's teammates, a fellow basketball player and Taylor's love interest. Monique Coleman as Taylor McKessie, one of Gabriella's best friends, East High's class president/year book editor and Chad's love interest. Olesya Rulin as Kelsi Nielsen, one of Gabriella's best friends, a pianist, composer and Ryan's love interest. Chris Warren, Jr. as Zeke Baylor, one of Troy's teammates and Sharpay's love interest. Ryne Sanborn as Jason Cross, one of Troy's teammates and Martha's love interest. Kaycee Stroh as Martha Cox, one of Gabriella's best friends, a cheerleader, a dancer and Jason's love interest. Bart Johnson as Jack Bolton, Troy's father, Lucille's husband and the coach of the East High Wildcats. Alyson Reed as Ms. Darbus, the stern drama teacher at East High. Jemma McKenzie-Brown as Tiara Gold, a freshman British exchange student who becomes