Daniel Radcliffe - Harry Potter
Richard Griffiths - Uncle Vernon
Pam Ferris - Aunt Marge
Fiona Shaw - Aunt Petunia
Harry Melling - Dudley Dursley
Adrian Rawlins - James Potter
Geraldine Somerville - Lily Potter
Lee Ingleby - Stan Shunpike
Lenny Henry - Shrunken Head
Jimmy Gardner - Ernie the Bus Driver
Gary Oldman - Sirius Black
Jim Tavaré - Tom the Innkeeper
Robert Hardy - Cornelius Fudge
Abby Ford - Young Witch Maid
Rupert Grint - Ron Weasley
Emma Watson - Hermione Granger
Oliver Phelps - George Weasley
James Phelps - Fred Weasley
Chris Rankin - Percy Weasley
Julie Walters - Mrs. Molly Weasley
Bonnie Wright - Ginny Weasley
Mark Williams - Mr. Arthur Weasley
David Thewlis - Professor Lupin
Devon Murray - Seamus Finnegan
Warwick Davis - Wizard
David Bradley - Argus Filch
Michael Gambon - Albus Dumbledore
Alan Rickman - Professor Severus Snape
Maggie Smith - Professor Minerva McGonagall
Robbie Coltrane - Rubeus Hagrid
Matthew Lewis - Neville Longbottom
Sitara Shah - Parvati Patel
Jennifer Smith - Lavender Brown
Tom Felton - Draco Malfoy
Bronson Webb - Slytherin Boy
Joshua Herdman - Gregory Goyle (as Josh Herdman)
Genevieve Gaunt - Pansy Parkinson
Kandice Morris - Girl 1
Alfred Enoch - Dean Thomas
Dawn French - Fat Lady in Painting
Annalisa Bugliani - Mother in Portrait
Tess Bu Cuarón - Baby in Portrait
Violet Columbus - Girl With Flowers
Paul Whitehouse - Sir Cadogan
Emma Thompson - Professor Sybil Trelawney
Ekow Quartey - Boy 1
Rick Sahota - Boy 2 (as Ricky Sahota)
Jamie Waylett - Vincent Crabbe
Sharon Sandhu - Girl 2
Danielle Tabor - Angelina Johnson
Julie Christie - Madame Rosmerta
Freddie Davies - Old Man in Portrait (as Freddie Davis)
Peter Best - The Executioner
Timothy Spall - Peter Pettigrew
rest of cast listed alphabetically:
Ian Brown - Man in the Leaky Cauldron reading book (uncredited)
