A film szereplői:

Adrian Rawlins - James Potter

Alan Rickman - Perselus Piton professzor

Alfread Enoch - Dean Thomas

Bonnie Wright - Ginny Weasley

Bronson Webb - egy mardekáros fiú

Chris Rankin - Percy Weasley

Daniel Radcliffe - Harry Potter

Danielle Taylor - Angelina Johnson

David Bradley - Argus Frics

David Thewlis - Remus Lupin professzor

Devon Murray - Seamus Finnigan

Emily Dale - Katie Bell

Emma Watson - Hermione Granger

Fiona Shaw - Petunia néni

Gary Oldman - Sirius Black

Geraldine Somerville - Lily Potter

Harry Melling - Dudley Dursley

James Phelps - Fred Weasley

Jennifer Smith - Lavender Brown

Jim Tavaré - Tom, a Foltozott Üst csaposa

Jimmy Gardner - Ernie, buszvezető

John Cleese - Félig Fej Nélküli Nick

Joshua Herdman - Monstro

Julie Walters - Molly Weasley

Lee Ingleby - Stan Shunpike

Leilah Sutherland - Alicia Spinnet

Lenny Henry - Zsugorfej

Luke Youngblood - Lee Jordan

Maggie Smith - Minerva McGalagony professzor

Mark Williams - Arthur Weasley

Matthew Lewis - Neville Longbottom

Michael Gambon - Albus Dumbledore

Miriam Margolyes - Bimba professzor

Oliver Phelps - George Weasley

Pam Ferris - Marge néni

Richard Griffiths - Vernon Dursley

Robbie Coltrane - Rubeus Hagrid

Robert Hardy - Cornelius Caramel

Rupert Grint - Ron Weasley

Sean Biggerstaff - Oliver Wood

Sitara Shah - Parvati Patil

Timothy Spall - Peter Pettigrew

Tom Felton - Draco Malfoy

Warwick Davis - Filius Flitwick professzot