| 角色 | 饰演者 | 角色介绍 |
| Troy Bolton | 扎克·埃夫隆 | |
| Gabriella Montez | 瓦妮莎·哈金斯 | |
| Sharpay Evans | 阿什丽·提斯代尔 | |
| Ryan Evans | 卢卡斯·格拉比 | |
| Kelsi Nielsen | 奥莱斯雅·鲁林 | |
| Taylor McKessie | 莫妮卡·克尔曼 | |
| Chad Danforth | 科宾·布鲁 | |
| Coach Jack Bolton | Bart Johnson | |
| Lucille Bolton | Leslie Wing | |
| Ms. Darbus | Alyson Reed | |
| Zeke Baylor | Chris Warren Jr. | |
| Jason Cross | Ryne Sanborn | |
| Martha Cox | Kaycee Stroh | |
| Jimmy 'The Rocket' Zara | 马特·普罗考普 | |
| Tiara | 简玛·麦肯兹-布朗 | |
| Donny | 贾斯汀·马丁 | |
| Student (uncredited) | Deuandra T. Brown | |
| Mr. Danforth | David Reivers | |
| Principal Dancer | Tia Robinson | |
| Vance Evans | 罗伯特·柯蒂斯-布朗 | |
| Dancer (uncredited) | Shawn Carter | |
| Dancer / Student (uncredited) | Toiya Leatherwood | |
| Mrs. Montez | Socorro Herrera | |
| Mrs. Danforth | Yolanda Wood | |
| Mrs. Evans | Jessica Tuck | |
| Principal Matsui | Joey Miyashima | |
| Mr. Riley | Stan Ellsworth | |
| Coach Kellogg | Dave Fox | |
| Stagehand | Jeremy Banks | |
| Ms. Juilliard | Tara Starling | |
| Sharpay's Dog Boi (as Manly 'Little Pickles' Ortega) | Manly Ortega | |
| Teacher | Ben Naccarato | |
| Dancer (uncredited) | Bayli Baker | |
| Student (uncredited) | Beau Dunn | |
| Dancer (uncredited) | 马克西·艾里奇 |
