Seriálové obsazení postav.
| Harry Potter | |
| Ron Weasley | |
| Hermiona Grangerová | |
| Albus Brumbál | John Lithgow |
| Lord Voldemort | |
| Rubeus Hagrid | Nick Frost (zatím nepotvrzeno) |
| Minerva McGonagallová | Janet McTeer |
| Severus Snape | Paapa Essiedu |
| Draco Malfoy | |
| Neville Longbottom | |
| Sirius Black | |
| Belatrix Lestrangeová | |
| Lenka Láskorádová | |
| Ginny Weasley | |
| Dolores Umbridge | |
| Aberforth Brumbál | |
| Remus Lupin | |
| Lucius Malfoy | |
| Regulus Black | |
| Dudley Dursley | |
| Cho Changová | |
| Lily Potterová | |
| Argus Filch | |
| Ufňukaná Uršula | |
| Petunie Dursleyová | |
| Dean Thomas | |
| Cedric Diggory | |
| Nymfadora Tonksová | |
| Peter Pettigrew | |
| Alastor Moody | |
| Fleur Delacourová | |
| Sibyla Trelawneyová | |
| Fred Weasley | |
| Narcissa Malfoyová | |
| Levandule Brownová | |
| Zlatoslav Lockhart | |
| Nicolas Flamel | |
| Oliver Wood | |
| Katie Bellová | |
| Dennis Bishop |