Troy Bolton, captain of the basketball team

Chris McGuigan

Gabriella Montez, the shy new brainiac girl

Sarah Stewart

Sharpay Evans, president of the Drama Club

Kathryn Rutherford

Ryan Evans, Sharpay's brother, vice-president of the Drama Club

Mattie Cavan

Taylor McKessie, president of the Science Club

Cherelle Hinds

Chad Danforth, Troy's best friend, No. 2 on the basketball team

Gyasi Sheppey

Zeke Baylor, has a secret passion for baking (anyone for crème brulée?)

Paul Masterson

Miss Darbus, Drama teacher

Wendy McAllister

Coach Bolton, basketball coach, Troy's dad

David Rice

Kelsi Nelson, mousey composer of Juliet and Romeo

Stephanie Watters

Martha Cox, has a secret passion for hip-hop

Mary Frances Loughran

Jack Scott, a.k.a. the Velvet Fog of East High

Ande Gray

Schoolteacher / karaoke compere

Gareth Maxwell

Ripper, has a secret passion for the cello (it's like a big violin)

Kris Ko

Thespians

Neal Campbell, Sinead O'Kelly, Seanna O'Neill, Emma Jane Porter

Skaters

Lauren Kane, Ciaran McKeever, Jolene O'Hara

Jocks

Mark Davison, Alex Jeffrey, Scott McClure, Paddy McBride

Cheerleaders

Rhiannon Chesterman, Michelle Coates, Caithlin Corrigan, Becki Fleming, Karen Hawthorne, Clare Reavey, Rachael Walker

Brainiacs

Amy Davis, Ande Gray, Kelly Milliken, Jennifer Rice, Kris Taylor

Chorus

Olivia Boyd, Charlene Buddie, Cherelle Doyle, Michaela Elliot, Samantha Magee, Lauren McMahon