| Troy Bolton | Noah Sowalskie |
| Chad Danforth | Jack Reece |
| Jack Scott | Aidan Laird |
| Ryan Evans | Hunter Hurt |
| Zeke Baylor | Cooper Ragle |
| Gabriella Montez | Arianna Sy |
| Taylor McKessie | A’myeh Fisher |
| Sharpay Evans | Sophie Dryden |
| Martha Cox | Hannah Patterson |
| Kelsi Neilson | Georgia Bryant |
| Fulton | Isaiah Baumann |
| Sharpettes | Kinley Kitchens |
| Sabra Armstrong | |
| Avery McElya | |
| Synchronized Swimmers, Cheerleaders, Ball Dancers, Hula Dancers, Makeover Artists, Pool Kids, Tiki Dancers, Fish, Talent Show | |
| Abbie Sutton | |
| Allison Harp | |
| Kenna Morris | |
| Lainey Gerard | |
| Isabel Bonilla | |
| Sarah Raishe | |
| Ryann Jenkins | |
| Pool Boys | Jonathan Rizzo |
| Joshua Patterson | |
| Theresa Templeton | Kirsten Schilling |
| Janey Fire | Riley Unterbug |
| Billy “Hot Rod” Flatley | Toby Laird |
| Robby Shimshank | Lliam Mattingly |
| Tailor | Jillian Conaway |
| Dermatologist | Rachel Childers |
| Valet | Emily Couch |
| Hairdresser | Lily Murray |