| Character |
Actor |
| Harry Potter | |
| Hermione Granger | |
| Ron Weasley | |
| Minerva McGonagall | |
| Severus Snape | |
| Lord Voldemort | |
| Sirius Black | |
| Albus Dumbledore (2001-2002) | |
| Albus Dumbledore (2004-present) | |
| Rubeus Hagrid | |
|
| Character |
Actor |
| Draco Malfoy | |
| Sybil Trelawney | |
| Bellatrix Lestrange | |
| Molly Weasley | |
| Remus Lupin | |
| Horace Slughorn | |
| Peter Pettigrew | |
| Gilderoy Lockhart | |
| Nearly Headless Nick | |
| Dolores Umbridge | |
|
