Zac Efron ....  Troy Bolton
VanessaAnne Hudgens ....  Gabriella Montez
AshleyTisdale ....  Sharpay Evans
Lucas Grabeel ....  Ryan Evans
CorbinBleu ....  Chad Danforth
Monique Coleman ....  Taylor McKessie
BartJohnson....  Coach Jack Bolton
Alyson Reed ....  Ms. Darbus
Olesya Rulin ....  Kelsi Nielsen
ChrisWarren Jr. ....  Zeke Baylor
RyneSanborn ....  Jason Cross
Socorro Herrera ....  Mrs. Montez
JoeyMiyashima ....  Principal Matsui
Irene Santiago ....  Chem Teacher
Leslie Wing ....  Mrs. Bolton
JoyceCohen ....  Librarian
Kaycee Stroh ....  Martha Cox
BrettYoder ....  M.C.
Anne Kathryn Parma ....  Susan
NickWhitaker ....  Alan
Falon Grace ....  Cyndra