Begins showing Harry memories of Voldemort's past, starting with his childhood at the orphanage.

Employee who helps run the Dark Arts shop and assists customers.

Reveals how Tom Riddle charmed Hepzibah Smith to acquire her valuable magical artifacts.

Historical Dark wizard mentioned in connection with magical artifacts and evil deeds.

Learning about Voldemort's transformation into a dark wizard through Dumbledore's pensieve memories.

Wealthy elderly witch who collected rare magical artifacts, including Helga Hufflepuff's cup and...

Fellow collector and friend of Hepzibah Smith who appreciates rare magical artifacts.

Hepzibah Smith's devoted house-elf, framed for her murder by Tom Riddle.

Expert who handles dangerous magical creatures for various magical institutions.

Returns to Hogwarts after being away, sporting injuries from his mission for Dumbledore.

Precious locket passed down in the Gaunt family from Salazar Slytherin himself.

Sixteen-year-old Tom Riddle as seen in Slughorn's memory, charming but manipulative.

Returns to Hogwarts years later as an adult, asking Dumbledore for the Defense Against the Dark...

Historical wizard mentioned in Defense Against the Dark Arts textbooks.

High-quality cauldron used for brewing complex potions like Felix Felicis.

Standard sixth-year Potions textbook, though Harry's copy contains helpful annotations.

Head of the Department of Magical Law Enforcement, mentioned as murder victim of Voldemort.

Child at the orphanage with Tom Riddle, traumatized by something he did to her.

Dangerous Death Eater mentioned among Voldemort's most loyal followers.

Ministry official who administers Apparition license tests to qualified students.

Continues his dangerous work for the Order while maintaining his Ministry position.

Worker who helps Hagrid maintain the extensive Hogwarts grounds and gardens.

Death Eater who worked as a spy within the Ministry of Magic for years.

Young wizard training to become an Auror, learning to fight Dark wizards.

Death Eater and Narcissa's sister, suspicious of Snape's loyalty to Voldemort.

Quality control worker who ensures Every Flavour Beans meet company standards.

Ron's uncle, mentioned as having seen a grim and died twenty-four hours later.

Eldest Weasley son, curse-breaker for Gringotts and Order member. Engaged to Fleur Delacour.

Member of Slughorn's Slug Club, likely due to his mother's notorious reputation.

Ministry official from the Magical Accidents and Catastrophes Department who visited the Gaunt...

Skilled craftsman who makes magical cauldrons for potion brewing.

Popular singer on the Wizarding Wireless Network, especially loved by Molly Weasley.

Famous wizard whose image appears on collectible Chocolate Frog cards.

Factory employee who helps produce the popular Chocolate Frogs and their wizard cards.

Plays as Keeper when Ron is in the hospital wing, but his arrogance causes team problems.

Former Minister for Magic, recently removed from office due to his handling of Voldemort's return.

Slytherin Beater who plays rough and tries to injure opposing players.

Patient at St. Mungo's suffering from the effects of a magical curse.

Owl that delivers copies of the Daily Prophet newspaper to subscribers.

Wizard photographer who takes pictures for Daily Prophet newspaper stories.

Shady dealer in Knockturn Alley who sells dangerous and illegal magical items.

Dating Ginny Weasley, though their relationship has its ups and downs.

Various defensive spells demonstrated and practiced in Snape's Defense classes.

Another child at the orphanage who was hurt by Tom Riddle's cruelty.

One of many shopkeepers in Diagon Alley selling various magical goods.

Responsible for cursing Katie Bell and nearly poisoning Ron, trying to kill Dumbledore indirectly.

Trader who deals in dragon heartstrings and other rare wand core materials.

Shop owner who sells owls and owl supplies to witches and wizards.

Author who writes about vampires and attends Slughorn's Christmas party.

Elderly wizard and longtime friend of Dumbledore, member of the Order of the Phoenix.

Member of the Order of the Phoenix, murdered by Death Eaters during the war.

Ornate magical frame that houses moving portraits throughout Hogwarts castle.

Pompous Hufflepuff sixth-year attempting to learn Apparition.

Student whose parent is a renowned healer, invited to Slughorn's exclusive gatherings.

Extremely difficult potion that grants the drinker good luck for a limited time.

Savage werewolf who attacks children. Not officially a Death Eater but allies with Voldemort.

Charms Professor and Head of Ravenclaw House, small in stature but skilled in magic.

New first-year student sorted into Gryffindor House, adjusting to magical education.

Former Triwizard champion, part-Veela witch engaged to Bill Weasley.

Worker who maintains and repairs the Floo Network transportation system.

Ministry worker who monitors and maintains the Floo Network transportation system.

Magical powder used for traveling through fireplaces connected to the Floo Network.

Employee who helps customers find books and manages inventory at the bookshop.

Enchanted paper airplane that carries messages between Ministry departments.

Centaur living in the Forbidden Forest, mentioned in connection with Hagrid's classes.

Fourth-year Slytherin student displaying typical house ambition and cunning.

Groundskeeper at the Riddle house who was wrongly accused of the family murders.

Administrative assistant who helped Cornelius Fudge during his time as Minister.

Squalid, run-down home where the impoverished Gaunt family lives in Little Hangleton.

Infamous Dark wizard mentioned in historical context, defeated by Dumbledore.

Gryffindor student who tries out for the Quidditch team but doesn't make it.

Fifth-year student dating Dean Thomas but clearly still has feelings for Harry.

Slytherin Beater who partners with Crabbe in aggressive gameplay.

Main dining hall of Hogwarts where students eat meals and important announcements are made.

Goblin who operates the underground carts that transport customers to their vaults.

Goblin guard at Gringotts Bank who checks visitors for Dark Arts detection.

Worker who helps Hagrid maintain the Hogwarts grounds and care for magical creatures.

Captain of the Holyhead Harpies professional Quidditch team, mentioned as Slug Club connection.

Dark magical artifact seen in Borgin and Burkes, gives light only to the holder.

Slytherin Quidditch player who competes against Gryffindor team.

Healer at St. Mungo's Hospital who treats magical injuries and ailments.

Jealous of Ron's relationship with Lavender Brown. Attacks Ron with birds when upset.

Scarlet steam engine that transports students between King's Cross and Hogwarts.

One of the many house-elves working in Hogwarts kitchens to prepare student meals.

Reveals he told Tom Riddle about Horcruxes when he was a student, feeling ashamed of his role.

Stern librarian who guards the Hogwarts library books jealously.

Fifth-year Gryffindor who becomes one of the team's new Beaters.

Customer browsing joke products at Fred and George's joke shop.

Cursed by a necklace while on a trip to Hogsmeade. Nearly killed by the Dark Magic.

Senior Auror and Order member working undercover in the Ministry.

Purple triple-decker bus that provides emergency transport for stranded wizards.

Knight Bus employee who collects fares and helps passengers board safely.

Poor wizard living on the streets of Knockturn Alley, begging for coins.

Suspicious wizard shopping for Dark Arts items in Knockturn Alley shops.

Witch who frequents Knockturn Alley shops looking for Dark Arts items.

Ancient house-elf of the Black family, bitter and devoted to his old mistress's portrait.

Begins dating Ron Weasley, much to Hermione's dismay. Very affectionate and possessive.

Regular customer at the Leaky Cauldron who drinks and socializes with other wizards.

Healer who specializes in caring for patients with permanent magical injuries.

Invited to Slughorn's Christmas party, showing she has some social standing despite her oddness.

Landlady of the Three Broomsticks pub in Hogsmeade, popular with Hogwarts students and staff.

Person being treated at St. Mungo's for injuries caused by magical accident.

Ministry worker who investigates magical accidents and covers them up from Muggles.

Ministry employee responsible for maintaining the magical systems in the building.

Owner of the magical pet shop that sells various magical creatures as companions.

Ravenclaw student invited to Slughorn's party due to his connection to Damocles Belby.

Ravenclaw student and Cho Chang's friend, mentioned in relation to previous year's events.

Violent pure-blood wizard, patriarch of the Gaunt family. Obsessed with his ancestry and blood...

Tom Riddle's mother who used a love potion to enchant Tom Riddle Sr., then died in childbirth.

Transfiguration Professor and Head of Gryffindor House, concerned about student safety with...

Maintenance worker who keeps the Ministry of Magic building clean and functional.

Ministry employee who operates the magical lifts that transport people between floors.

Student invited to Slug Club due to his father's important Ministry position.

Security guard who monitors visitors entering the Ministry of Magic.

Wizard responsible for security at the Ministry of Magic building.

Worried about her family's safety as the war escalates, especially with Bill's dangerous work.

Framed by Tom Riddle for the murder of the Riddle family, spent years in Azkaban for a crime he...

Owner of Borgin and Burkes Dark Arts shop, nervous around Draco Malfoy who seems to be threatening...

Tom Riddle Sr.'s father, wealthy Muggle landowner murdered by his own grandson.

Matron of Wool's Orphanage where Tom Riddle grew up. Tells Dumbledore about Tom's disturbing...

Tom Riddle Sr.'s mother, murdered along with her husband and son by Voldemort.

Shady wizard and Order member who deals in stolen goods and questionable items.

Draco's mother, desperate to protect her son from Voldemort's dangerous mission. Makes Snape vow to...

Invited to Slughorn's Slug Club meetings due to his parents' heroic reputation.

One of the newest students at Hogwarts, still adjusting to the magical world.

Metamorphmagus and Auror, member of the Order of the Phoenix. Seems subdued and unlike her usual...

Ministry employee who modifies Muggle memories when magical accidents occur.

Postal worker who helps sort and deliver owl post throughout the wizarding world.

Ravenclaw sixth-year student, twin sister to Parvati Patil in Gryffindor.

Gryffindor sixth-year student, twin sister to Padma Patil in Ravenclaw.

Accompanies Scrimgeour to the Burrow, trying to reconcile with his family while still supporting...

Rare materials dealer who supplies phoenix feathers for the most powerful wands.

Herbology Professor and Head of Hufflepuff House, expert in magical plants.

Screaming portrait of Sirius's mother that hurls insults at blood traitors and Muggles.

Person whose portrait hangs in Hogwarts and can move and speak to viewers.

Person who suffered injuries from a potion brewing accident or mishap.

Professional Quidditch player mentioned in connection with Slug Club connections.

Auror mentioned among those investigating Death Eater attacks.

Official who referees professional Quidditch matches and enforces game rules.

Craftsperson who makes magical quills and other writing implements for students.

Former Defense Against the Dark Arts teacher, now working for the Order of the Phoenix.

Fourth-year Gryffindor who becomes the team's other new Beater.

Skilled seamstress who sews robes and other magical clothing for witches and wizards.

Death Eater married to Bellatrix, mentioned as being equally devoted to Voldemort.

Fourth-year Gryffindor girl who has a crush on Harry Potter and tries to slip him love potions.

Dating Lavender Brown but still has feelings for Hermione, causing romantic tension.

Visits Harry at the Burrow, trying to recruit him as a spokesperson for the Ministry.

Vampire brought to Slughorn's Christmas party by Eldred Worple, makes students nervous.

Auror working to combat the increasing Death Eater activity.

Gryffindor sixth-year student, Harry's dorm mate with a tendency toward magical accidents.

Second-year Hufflepuff student, hardworking and loyal like most in the house.

Extremely dark book containing information about Horcruxes and soul-splitting magic.

High-ranking member of the Department of Mysteries working on classified magical research.

Senior student in their final year at Hogwarts, preparing for N.E.W.T. examinations.

Finally achieves his ambition to teach Defense Against the Dark Arts, replacing Umbridge.

Apothecary owner who sells potion ingredients to students and professional brewers.

Specialist healer at St. Mungo's who treats injuries caused by magical spells.

Medical specialist at St. Mungo's who treats the most severe spell-related injuries.

Hospital worker who assists healers and helps care for patients at St. Mungo's.

Witch who works at the reception desk of St. Mungo's Hospital for Magical Maladies.

Security guard who protects St. Mungo's Hospital and maintains order.

Hufflepuff sixth-year taking Apparition lessons with the other students.

Third-year Ravenclaw student known for academic excellence and curiosity.

Regular customer at the Three Broomsticks pub in Hogsmeade village.

Cormac McLaggen's uncle, well-connected Ministry official that impresses Slughorn.

Eleven-year-old Tom Riddle at the orphanage, already showing disturbing magical abilities.

Murdered by his own son Tom Riddle along with his parents when Voldemort returned to Little...

Young healer in training at St. Mungo's, learning to treat magical ailments.

Owner of upscale robe shop in Diagon Alley, caters to wealthy wizarding families.

Specialist who ethically collects unicorn hair for use in wand cores.

Slytherin Quidditch Captain who leads his team against other houses.

Gryffindor student who tries out for the Quidditch team as Keeper.

Merchant who supplies magical wood for wand-making to craftsmen like Ollivander.

Person attacked by Fenrir Greyback or his pack, traumatized by the experience.

Werewolf who follows Fenrir Greyback and helps terrorize the wizarding community.

Ministry Apparition instructor who teaches sixth-year students how to disappear and reappear.

Professional photographer who takes moving magical photographs for special occasions.

Producer who creates radio programs for the Wizarding Wireless Network.

Technical worker who maintains the Wizarding Wireless Network broadcasting equipment.

Younger version of Professor Slughorn seen in memory, teaching Tom Riddle about Horcruxes.

Hufflepuff student and Quidditch Chaser, skeptical and often questioning.