friend and member of the basketball team. Monique Coleman as Taylor McKessie, captain of the school's scholastic decathlon team who shows Gabriella the ropes of East High. Bart Johnson as Jack Bolton, Troy's father and the coach of the East High basketball team who believes that Gabriella is a distraction from Troy's basketball career. Olesya Rulin as Kelsi Nielsen, an underappreciated pianist and composer who is initially shy and subservient to Sharpay. Chris Warren Jr. as Zeke Baylor, a member of the basketball team who enjoys baking and admires Sharpay. Ryne Sanborn as Jason Cross, a member of the basketball team who tends to ask mundane questions in class. Socorro Herrera as Lisa Montez, Gabriella's mother, whose job makes them subject to frequent relocation. Joey Miyashima as Dave Matsui, the principal of East High. Irene Santiago-Baron as Ms. Tenny, a chemistry teacher at East High. Leslie Wing Pomeroy as Lucille Bolton, Troy's mother. Joyce Cohen as Ms. Falstaff, the librarian at East High. Kaycee Stroh as Martha Cox, a peppy brainiac who enjoys hip-hop. Anne Kathryn Parma as Susan, a student who unsuccessfully auditions for the winter musical. Nick Whitaker as Alan, a student who unsuccessfully auditions for the winter musical. Falcon Grace as Cyndra, a student who unsuccessfully auditions for the winter musical. Music The soundtrack for the film was released on January 10, 2006, and debuted at number 133 on the Billboard 200, selling 7,469 copies in its first week. In the album's third week, for the chart dated February 11, 2006, it climbed to number ten, subsequently rose to number one on the Billboard 200 twice (on March 1 and 22) and had shipped 3.8 million copies as of December 5, 2006. Out of those copies, more than three million copies had been sold by August 2006; it was certified quadruple platinum by the RIAA. Production Disney Channel produced a musical episode of its original sitcom Even Stevens, which aired in 2002, and the success of the episode among the show's audience led to network executives asking series executive producers David Brookwell and Sean McNamara to also produce a musical episode of their other comedy series That's So Raven. The success of the musical format on both Even Stevens and That's So Raven gave executives confidence in the appeal and interest of the musical genre, and led to the early development of the idea for High School