Harry Potter as Troy Bolton: the most popular male student at Hogwarts High School and the captain of the varsity basketball team. (A/N: in the Harry Potter universe, Hogwarts is just a school for witchcraft and wizardry; but for this version of the High School Musical movies, it's going to be a high school). Portrayed by: Daniel Radcliffe
Ginny Wesley as Gabriella Montez: a transfer student who joins the scholastic decathlon team and is attracted to Harry. Portrayed by: Bonnie Wright
Luna Lovegood as Sharpay Evans: an energetic and proud student with a love of theatre and being the center of attention—particularly Harry's who employs her twin brother—Draco, in her schemes. (A/N: Luna isn't actually related to Draco but for these versions of the High School Musical movies, they're going to be related). Portrayed by: Evanna Lynch
Draco Malfoy as Ryan Evans: a member of the drama club who aids his twin sister, Luna, in sabotaging Ginny's relationship with Harry. Portrayed by: Tom Felton
Ron Weasley as Chad Danforth: Harry's best friend and member of the basketball team. Portrayed by: Rupert Grint
Hermione Granger as Taylor McKessie: captain of the school's scholastic decathlon team who shows Ginny the ropes of Hogwarts High. Portrayed by: Emma Watson.
Albus Dumbledore as Dave Matsui: principal at Hogwarts High. Portrayed by: Richard Harris
James Potter as Jack Bolton: Harry's father and the coach of the basketball team who believes that Ginny is a distraction from Harry's basketball career. Portrayed by: Adrian Rawlins (A/N: in the Harry Potter movies/books, he's killed by He Who Must Not Be Named, but for these versions of the High School Musical movies, he is going to be alive).
Cho Chang as Kelsi Neilson: an underappreciated pianist and composer who is initially shy and subservient to Luna. Portrayed by: Katie Leung
Cedric Diggory as Zeke Baylor: a member of the basketball team who enjoys baking and admires Luna. Portrayed by: Robert Pattinson
Neville Longbottom as Jason Cross: a member of the basketball team who tends to ask mundane questions in class. Portrayed by: Matthew Lewis
Nymphadora Tonks as Martha Cox: a peppy brainiac who enjoys hip-hop. Portrayed by: Natalia Tena
Minerva McGonagall as Ms. Darbus: a stern drama teacher who dislikes Mr. Potter, sports, and cell phones. (A/N: in the Harry Potter universe, they don't use phones but for this version of High School Musical, the students at the high school are going to be using phones). Portrayed by: Maggie Smith
Sybil Trelawney as Ms. Tenny: a chemistry teacher at Hogwarts High. Portrayed by: Emma Thompson
Molly Weasley as Lisa Montez: Ginny's mother, whose job makes them subject to frequent relocation. Portrayed by: Julie Walters
Lily Potter as Lucille Bolton: Harry's mother. Portrayed by: Geraldine Somerville (A/N: in the Harry Potter movies/books, she's killed by He Who Must Not Be Named along with James, but for these versions of the High School Musical movies, she's going to be alive).
Dolores Umbridge as Miss Falstaff: the librarian at Hogwarts High. Portrayed by: Imelda Staunton
Dedalus Diggle as Coach Kellogg: another coach at Hogwarts High. Portrayed by: David Brett
Lavender Brown as Susan: a girl who auditions unsuccessfully for the winter musical. Portrayed by: Jessie Cave
Seamus Finnigan as Alan: a boy who unsuccessfully auditions for the winter musical. Portrayed by: Devon Murray
Angelina Johnson as Cyndra: a girl who unsuccessfully auditions for the winter musical. Portrayed by: Danielle Tabor
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High School Musical [Harry Potter]
FanfictionA popular high-school athlete and an academically gifted girl get roles in the school musical and develop a friendship that threatens Hogwarts High's social order. I don't own Troy, Gabriella, Chad, Taylor, Sharpay, Ryan or any of the High School M...