Headmaster of Hogwarts fifty years ago when the Chamber was first opened. Appears in Tom Riddle's...

Trainee Healer at St. Mungo's Hospital.

Member of the Magical Law Enforcement Squad from the past.

Increasingly distressed and trying to tell Harry and Ron something important. Appears terrified.

Discovered Tom Riddle's diary and witnessed memories from fifty years ago. Learning about the last...

Brewing Polyjuice Potion in secret. Accidentally transformed herself partially into a cat.

Healer-in-Charge at St. Mungo's Hospital mentioned in medical discussions.

Tom Riddle's grandfather, descendant of Salazar Slytherin mentioned in diary memories.

Tom Riddle's mother, a witch from the Gaunt family who died shortly after giving birth.

Revealed that someone threw a book at her. The diary was thrown into her toilet.

The real name of Moaning Myrtle when she was alive, involved in the events fifty years ago.

Student who teased Myrtle about her glasses, causing her to hide in the bathroom where she died.

Defense Against the Dark Arts teacher fifty years ago, mentioned in diary memories.

Protective of his sister Ginny who seems unwell. Supporting Harry despite others' suspicions about...

Revealed in Tom Riddle's memory to have raised Aragog fifty years ago. Suspected then of opening...

A memory preserved in a diary, showing Tom as a handsome Hogwarts prefect from fifty years ago.

Tom Riddle's father, a Muggle who abandoned his wife when he discovered she was a witch.

Hagrid as a student fifty years ago, seen in Tom Riddle's diary memory being accused of opening the...

Author of Magical Theory textbook.

Playing for Slytherin when the rogue Bludger disrupts the match, continuing to play despite the...

Addressing the school about the Chamber of Secrets. Trying to keep the school calm while...

Playing during the match when Harry is attacked by the rogue Bludger, distressed by the dangerous...

Owner of Scribbulus Writing Implements in Diagon Alley.

Head of the Department of Magical Law Enforcement, Susan Bones' aunt mentioned in discussions.

Concerned about Harry's safety during the rogue Bludger incident, trying to help protect him.

Hufflepuff Beater on the Quidditch team.

Revealed to be a Squib. Found to be taking a Kwikspell course to learn magic.

Obliviator mentioned as part of the Accidental Magic Reversal Squad.

Author of Magical Drafts and Potions textbook.

Got into a fistfight with Lucius Malfoy at Flourish and Blotts. Works in the Misuse of Muggle...

Head of the Department of International Magical Cooperation mentioned in Ministry discussions.

Gryffindor student in Harry's year.

Reporter for the Daily Prophet who writes about celebrity wizards like Lockhart.

Eldest Weasley son who works as a curse-breaker for Gringotts in Egypt. Cool and collected, with...

Present in the Slytherin common room when Harry and Ron infiltrate disguised as Crabbe and Goyle.

Unspeakable working in the Department of Mysteries.

Playing as Beater during the match when the rogue Bludger attacks Harry.

Student at Hogwarts mentioned during classes.

Inventor of the Golden Snitch mentioned in Quidditch history.

Co-founder of Borgin and Burkes dark artifacts shop.

Large Slytherin student who plays Chaser on the Quidditch team.

Popular singing sorceress whose music Mrs. Weasley enjoys on the wireless.

Second eldest Weasley son who works with dragons in Romania. Former Quidditch captain at Hogwarts.

Petrified while trying to photograph something. Found holding his camera.

Blue electric creatures released by Lockhart in Defence class. Caused chaos by destroying the...

Distant Weasley cousin mentioned by Mrs. Weasley.

Unspeakable working in the Department of Mysteries.

Ghost History of Magic professor who rarely shows interest in current events. Surprised when...

Professor Binns when he was alive, before becoming the only ghost teacher.

Among the Gryffindors who begin avoiding Harry after the Parseltongue incident.

Colin Creevey's younger brother, mentioned as being at Hogwarts but not yet old enough for Colin's...

Playing Beater during the chaotic match with the rogue Bludger targeting Harry.

Various witches and wizards shopping for school supplies and daily needs in the magical shopping...

Former Headmistress of Hogwarts and Healer at St. Mungo's. Her portrait can travel between...

Revealed to be the Malfoys' house-elf. Caused the rogue Bludger trying to force Harry to leave...

Unknowingly revealed to Harry and Ron (disguised as Crabbe and Goyle) that he doesn't know who's...

Terrified after Dobby made his pudding fly and developed a pig's tail. On a diet but still enormous.

Ravenclaw Chaser on the Quidditch team.

Ghost who attends Nearly Headless Nick's deathday party.

Historical wizard known for his enthusiastic but misguided attempts at magic.

Gryffindor student who tried to curse her acne off.

Author of A Beginner's Guide to Transfiguration.

Dark wizard mentioned in History of Magic class.

Pompous Hufflepuff student who claims his family is pure-blood for nine generations.

Delivered Molly's Howler to Ron at Hogwarts, collapsing from exhaustion after the long flight.

Historical wizard famous for taking offense at the slightest provocation.

Former Headmaster whose portrait hangs in multiple locations including the Ministry.

Hagrid's large boarhound dog who is actually quite cowardly despite his size.

Dumbledore's phoenix, a magnificent bird with red and gold plumage. Has healing tears and can carry...

Inventor of Cheering Charms mentioned in Charms class.

Tiny wizard who teaches Charms. Head of Ravenclaw House and helps with the Dueling Club.

Frightened by the Chamber of Secrets attacks, especially the Muggle-born students among them.

Slytherin student in an upper year.

Cheerful owner of Florean Fortescue's Ice Cream Parlour in Diagon Alley. Kind to Harry during his...

Harried manager of the bookstore during Gilderoy Lockhart's book signing event. Overwhelmed by the...

Crashed into the Whomping Willow and ejected Harry and Ron before driving itself into the Forbidden...

Worried about Harry during the rogue Bludger incident, trying to protect him during the match.

Famous Chaser for the Chudley Cannons mentioned during Quidditch discussions.

Fighting to protect Harry from the rogue Bludger attacking him during the Quidditch match.

Started a Dueling Club with Snape. Proved useless when real danger appeared.

Witch who writes fan mail to Gilderoy Lockhart, mentioned as one of his admirers.

Host of the Witching Hour radio program.

One of the four founders of Hogwarts. Valued courage and chivalry. Owner of the sword that appears...

Slytherin Chaser on the Quidditch team.

Ravenclaw Beater on the Quidditch team.

Elderly Weasley relative who is quite critical and owns goblin-made tiara.

Also knocked out by drugged cakes. Ron took his appearance using Polyjuice Potion.

Elder member of the Wizengamot and head of the Wizarding Examinations Authority.

Shocked and suspicious when Harry speaks Parseltongue, many begin avoiding him.

Pink-faced Hufflepuff girl with blonde pigtails. Believes Harry is the heir of Slytherin.

Group of properly headless ghosts who play sports and exclude Nearly Headless Nick from their...

At Hogwarts with Harry, housed in the Owlery with other school owls.

Hufflepuff Chaser on the Quidditch team.

Daughter of Rowena Ravenclaw who became the Grey Lady ghost of Ravenclaw House.

One of the four founders of Hogwarts. Valued hard work, patience, and loyalty. Created Hufflepuff...

Hufflepuff Keeper on the Quidditch team.

Ancient Greek dark wizard who created the first basilisk and is considered the first person to...

Slytherin student in an upper year.

Worried about the Chamber of Secrets attacks, whispering among themselves and keeping watch.

Magical servants bound to wizard families, mentioned as a class of magical beings when Dobby...

Particularly suspicious of Harry since their housemates are being attacked.

Inventor of Floo Powder mentioned when Harry uses the Floo Network.

Ravenclaw Beater on the Quidditch team.

Ravenclaw Chaser on the Quidditch team.

Beater for the Chudley Cannons, Ron's favorite team.

Petrified along with Nearly Headless Nick. Found frozen in a corridor after avoiding Harry.

Playing as Chaser when the rogue Bludger targets Harry during the match, worried for his safety.

Gryffindor student mentioned in the common room.

Suspicious-looking witches and wizards shopping for Dark Arts items in the shadowy alley. Made...

House-elf of the Black family mentioned in discussions about house-elf servitude.

Gryffindor girl with blonde hair who whispers about Harry after seeing him speak Parseltongue.

Commentating during the match when the rogue Bludger attacks Harry, becoming increasingly concerned...

Students, particularly girls, who continue to admire Lockhart despite his obvious incompetence in...

On the Board of Governors. Working to remove Dumbledore from Hogwarts.

Squat witch who runs Madam Malkin's Robes for All Occasions in Diagon Alley. Provides school robes...

Owner of Madam Primpernelle's Beautifying Potions in Diagon Alley.

Ministry employee from the Improper Use of Magic Office who sends Harry a warning letter.

Slytherin student who joins the Quidditch team as a Chaser.

Hufflepuff Chaser on the Quidditch team.

Magical plants being grown by Professor Sprout. Their cries are fatal to humans, requiring ear...

Leading the Slytherin team during the match when the rogue Bludger attacks Harry.

Gryffindor student from an earlier generation mentioned in passing.

Hufflepuff Beater on the Quidditch team.

Hermione attempted to use her hair for Polyjuice Potion but got cat hair instead from her pet.

Deeply concerned about the attacks. Explaining the Chamber's history to students.

Author of the Standard Book of Spells series used at Hogwarts.

Sent Ron a Howler for taking the flying car. Furious but ultimately relieved her children are safe.

Student at Hogwarts mentioned during the Dueling Club.

Owner of Borgin and Burkes in Knockturn Alley. Oily-haired wizard who deals in Dark artifacts and...

Apothecary owner in Diagon Alley where students buy potion ingredients.

Witch at Diagon Alley whose daughter is starting Hogwarts.

First victim to be petrified. Found hanging from a torch bracket with a message about the Chamber.

Living in fear as the Chamber attacks continue, many considering leaving Hogwarts.

Petrified despite being a ghost. Found floating horizontally near Justin Finch-Fletchley.

Participates nervously in the Dueling Club, worried about the dangerous atmosphere at school.

Also present at the Dueling Club and becoming suspicious of Harry's dark abilities.

Desperately trying to protect Harry during the rogue Bludger incident.

In the Slytherin common room when Harry and Ron visit in disguise as Crabbe and Goyle.

Gryffindor girl with long dark hair. Discusses Harry's Parseltongue ability with other students,...

Disrupting the Dueling Club meeting and adding to the general panic at Hogwarts.

Ravenclaw prefect with long, curly hair. Percy Weasley's secret girlfriend.

Pompous prefect with horn-rimmed glasses. Very proud of being a prefect and follows rules strictly.

Elderly wizard who works with Arthur Weasley at the Ministry. Lends the Weasleys a tent.

Horrified by the pudding incident and supports Vernon's decision to lock Harry up.

Former Headmaster of Hogwarts, least popular in history. Portrait hangs in the Headmaster's office.

Official photographer at Gilderoy Lockhart's book signing, taking pictures for publicity in the...

Author of One Thousand Magical Herbs and Fungi textbook.

Squat witch with flyaway gray hair. Herbology professor and Head of Hufflepuff House.

Strict but caring matron of the hospital wing. Frequently treats Harry's injuries.

Portrait of former headmaster that provides advice to Dumbledore.

Some, like Ernie Macmillan, boast about their pure-blood status as protection from attacks.

Author of The Dark Forces: A Guide to Self-Protection.

Manager of the Chudley Cannons Quidditch team.

Ravenclaw Keeper on the Quidditch team.

Students from Ravenclaw house who attend the Dueling Club and witness Harry's Parseltongue ability.

Ravenclaw Quidditch team captain and Chaser.

Younger Gryffindor student mentioned in the common room.

One of the four founders of Hogwarts. Valued intelligence and wisdom. Created Ravenclaw House.

Student starting at Hogwarts, sorted into Ravenclaw.

One of Hogwarts' four founders from centuries ago. Believed in pure-blood supremacy and disagreed...

At Hogwarts with Ron, still looking sickly and spending most of his time sleeping.

Suspicious of Harry after witnessing him speak Parseltongue at the Dueling Club.

Participating in the Dueling Club and becoming suspicious of Harry after his Parseltongue display.

Demonstrated dueling with Lockhart, easily disarming him. Suggested Harry and Draco duel.

Knight portrait who challenges people to duels and offers to guide lost students.

Leader of the Headless Hunt who refuses Nearly Headless Nick membership because his head isn't...

Member of the Headless Hunt who attends Nearly Headless Nick's deathday party.

In their common room when Harry and Ron infiltrate disguised as Crabbe and Goyle.

Red-haired Hufflepuff student who attended the Dueling Club and was present when Harry spoke to the...

Hufflepuff Chaser on the Quidditch team.

Ravenclaw student who participates in the Dueling Club demonstration and watches Harry's...

Menacing ghost of Slytherin House, covered in silver bloodstains. The only ghost Peeves fears.

Cheerful ghost of Hufflepuff House, mentioned during discussions about the attacks and ghostly...

Sad, beautiful ghost of Ravenclaw House who rarely speaks to students. Glides silently through the...

Also suspicious of Harry after witnessing his ability to speak Parseltongue.

Member of the Wizengamot mentioned in legal discussions.

Toothless innkeeper of the Leaky Cauldron, greets Harry warmly when he arrives and provides him...

Slytherin student in Harry's year.

People supposedly saved by Lockhart from vampires in his book tales.

Eccentric wizard mentioned who wore a jellyfish for a hat.

Locked Harry in his room with bars on the window after the Dobby incident. Furious about magic in...

Witch who writes fan mail to Gilderoy Lockhart, mentioned as one of his admirers.

Unknowingly ate a sleeping draught cake and had his hair stolen by Harry for Polyjuice Potion.

Friend of the Fat Lady, a portrait who visits between frames.

Werewolf supposedly defeated by Gilderoy Lockhart, featured in 'Wanderings with Werewolves'.

Ghost who attends Nearly Headless Nick's deathday party.

Medieval witch mentioned in History of Magic who enjoyed being burned at the stake.

Violent tree on Hogwarts grounds that attacks anything that comes near. Damaged the Ford Anglia and...

Author of defensive magic theory books.

Historical wizard mentioned in History of Magic class.

House-elf mentioned by Dobby as another elf who serves a wizarding family.

Owner of Wiseacre's Wizarding Equipment shop.

Wizard who said 's' instead of 'f' and ended up with a buffalo on his chest, mentioned by Flitwick.

Hufflepuff student who plays Chaser on their Quidditch team.