| Bloody | Baron | The Syltherin's ghost. |
| Professor | Binns | The professor of the history of magic. |
| Lavender | Brown | The first member of Gryffindor. |
| Doris | Crockford | The witch who greeted Harry. |
| Dedalus | Diggle | One of the witches Harry met. |
| Albus | Dumbledore | The headmaster of Hogwarts. |
| Dudley | Dursley | Petunia and Vernon's son. Harry's cousin. |
| Petunia | Dursley | Harry's aunt. Mrs. Potter's sister. |
| Vernon | Dursley | Harry's uncle. The director of the firm called Grunnings. |
| Mrs. | Figg | The Dursley's neighbor. |
| Argus | Filch | The caretaker at Hogwarts. |
| Seamus | Finnigan | A Gryffindor member. |
| Nicolas | Flamel | Dumbledore's partner. |
| Nicolas | Flamel | The maker of Sorcerer's Stone. Dumbledore's partner. |
| Marcus | Flint | A Slytherin Captain. |
| Professor | Flitwick | The charm professor. |
| Fat | Friar | A resident ghost at Hogwarts. |
| Crabbe | Goyle | Malfoy's henchman. |
| Hermione | Granger | One of the students Harry met at Hogwarts. |
| Rebeus | Hagrid | The keeper of keys and grounds at Hogwarts. A half-giant and half-human. |
| Madam | Hooch | A Quidditch Referee. Teacher. |
| Lee | Jordan | A Hogwarts student who owns a big tarantula. Fred's best friend. |
| Neville | Longbottom | One of the students in Hogwarts. |
| Dennis | Malcolm | Dudley's friend. |
| Draco | Malfoy | One of the students in Hogwarts. |
| Madam | Malkin | Owner of a robe shop at Diagon Alley. |
| Minerva | McGonagall | The deputy headmistress at Hogwarts. |
| Jim | McGuffin | The TV weatherman. |
| Nicholas De | Mimsy-Porpington | A resident ghost at Gryffindor Tower. Aka: Headless Nick. |
| Mrs. | Norris | Filch's cat. |
| Mr. | Ollivander | Owner of a wand shop at Diagon Alley. |
| Pansy | Parkinson | A Slytherin girl member. |
| Parvati | Patil | A Slytherin member. |
| Madame | Pince | The librarian. |
| Piers | Polkiss | Dudley's best friend. |
| Madam | Pomfrey | The matron at Hogwarts. |
| Harry | Potter | Protagonist. |
| James | Potter | Lily's husband. Harry's father. |
| Lily | Potter | Harry's mother. |
| Professor | Quirrell | Harry's teacher at Hogwarts. |
| Severus | Snape | The head of the Slytherin house. |
| Professor | Sprout | A dumply little witch. |
| Dean | Thomas | Ron's roommate. |
| Vindictus | Viridian | A wizard. Author at Hogwarts. |
| Bill | Weasley | Ron's older brother. |
| Charlie | Weasley | Ron's older brother. |
| Fred | Weasley | Ginny's brother. George's twin. |
| George | Weasley | Ginny's brother. |
| Ginny | Weasley | The youngest daughter of the Weasley family. |
| Percy | Weasley | Ginny's brother. |
| Ron | Weasley | Ginny's brother. Harry's best friend. |
| Oliver | Wood | The captain of the Gryffindor Team. |
| Algie | | Neville's great-uncle. |
| Bane | | One of the Centaurs. |
| Enid | | Neville's great-aunt. |
| Fang | | The boardhound. |
| Firenze | | One of the Centaurs. |
| Fluffy | | A three-headed dog. |
| Gringotz | | A wizarding bank owned by the Goblins. |
| Griphook | | One of the goblins. |
| Marge | | Dudley's aunt. Vernon's sister. |
| Norbert | | A dragon. |
| Peeves | | A poltergeist at Hogwarts. |
| Ronan | | One of the Centaurs. |
| Tom | | A bartender at Leaky Cauldron. |
| Trevor | | Neville's toad. |
| Voldemort | | Antagonist. Aka: You-know-who. |
| Yvonne | | Petunia's friend. |
