Albus Dumbledore
Professor McGonagall
Hagrid
Baby Harry Potter
Harry Potter
Aunt Petunia Dursley
Dudley Dursley
Uncle Vernon Dursley
Bartender in Leaky Cauldron
Professor Quirrell
Diagon Alley Boy
Goblin Bank Teller / Professor Flitwick / Voice of Griphook
Griphook (as Vern Troyer)
Mr. Ollivander
He Who Must Not Be Named
Lily Potter
Station Guard
Mrs. Weasley
Ginny Weasley
Percy Weasley
Fred Weasley
George Weasley
Ron Weasley
Dimpled Woman on Train
Hermione Granger
Neville Longbottom
Draco Malfoy
Crabbe
Goyle
Seamus Finnigan
Dean Thomas
The Sorting Hat (voice)
Susan Bones
Nearly Headless Nick
The Bloody Barron
Fat Friar (as Simon Fisher Becker)
The Grey Lady
Mr. Filch
Professor Snape
Madame Hooch
Lee Jordan
Oliver Wood
Fat Lady
Angelina Johnson (as Danielle Taylor)
Alicia Spinnet
Katie Bell
Adrian Pucey
Marcus Flint
Terrence Higgs (as Scott Fern)
James Potter
Firenze (voice)
Goblin / Ghost (uncredited)
Goblin (uncredited)
The Fruit & Veg Barrow Man (uncredited)
Hogwarts Schoolboy (uncredited)
Train Porter (uncredited)
Dedalus Diggle (uncredited)
Witch (uncredited)
The Ghost of the Cavalier (uncredited)
Gringotts Goblin (uncredited)
Scabbers (uncredited)
Quidditch Player (uncredited)
Gryffindor Senior (uncredited)
Schoolgirl (uncredited)
Gryffindor Student (uncredited)
Leaky Cauldron Patron (uncredited)
Hogwarts Student (uncredited)
Schoolboy (uncredited)
Augusta Longbottom (uncredited)
Hogwarts Schoolgirl (uncredited)
Fang (uncredited)
Child at Zoo (uncredited)
Slytherin Keeper (uncredited)
Unicorn Blood Drinker (uncredited)
Mrs. Norris (uncredited)
Student (uncredited)
Amanda (uncredited)
Young Boy (uncredited)
Goblin Banker (uncredited)
Gryffindor Prefect (uncredited)
Man in Armour Portrait (uncredited)
Hufflepuff Student (uncredited)
Septima Vector (uncredited)
Phillip (uncredited)
Girl in Potion Class (uncredited)
School Child (uncredited)
Wizard (uncredited)