Cast List
Still needs to be completed.
| Character | Actor | Also appeared in... |
| Harry Potter | Daniel Radcliffe | Tailor of Panama (2001) |
| Ron Weasley | Rupert Grint | Thunderpants (upcoming) |
| Hermione Granger | Emma Watson | Nil |
| Hagrid | Robbie Coltrane | 007: The World is Not Enough (1999) |
| Albus Dumbledore | Richard Harris | Gladiator (2000) |
| Prof. McGonagall | Dame Maggie Smith | Gosford Park (2001) |
| Prof. Snape | Alan Rickman | Dogma (1999) |
| Prof. Flitwick | Warwick Davis | Labyrinth (1986) |
| Madame Hooch | Zoe Wannamaker | Wilde (1997) |
| Prof. Quirrel | Ian Hart | Enemy of the State (1998) |
| Fred Weasley | James Phelps | |
| George Weasley | Oliver Phelps | |
| Oliver Wood | Sean Biggerstaff | The Winter Guest (1997) |
| Katie Bell | Emily Dale | |
| Alicia Spinnet | Leila Sutherland | |
| Angelina Johnson | Danielle Tabor | |
| Draco Malfoy | Tom Felton | Anna & the King (1999) |
| Vincent Crabbe | James Waylett | |
| Gregory Goyle | Joshua Herdman | |
| Aunt Petunia | Fiona Shaw | The Last September (2000) |
| Dudley | Harry Melling | |
| Uncle Vernon | Richard Griffiths | Sleepy Hollow (1999) |
| Nearly Headless Nick | John Cleese | 007: The World is Not Enough (1999) |
| Fat Friar | Simon Fisher-Becker | |
| Grey Lady | Nina Young | |
| Bloody Baron | Terence Baylor | |
| Seamus Finnigan | Devon Murray | Angela's Ashes (1999) |
| Neville Longbottom | Matthew Louis | |
| Lavender Brown | Kathaleen Cauley | |
| Percy Weasley | Chris Rankin | |
| Mrs Weasley | Julie Walters | Billy Elliot (2000) |
| Ginny Weasley | Bonnie Wright | |
| Dean Thomas | Alfie Enoch | |
| Mr Ollivander | John Hurt | The Elephant Man (1981) |
| Griphook | Troyer Vern | Austin Powers 2 (1999) |
| Sorting Hat | Leslie Phillips | |
| Fat Lady | Elizabeth Spriggs | |
| Marcus Flint | Will Theakston | |
| Argus Filch | David Bradley | |
| Voldemort | Richard Bremmer | Just Visiting (2001) |
| Lily Potter | Geraldine Sommerville | |
| James Potter | Adrian Rawlins |