A film szereplői:

Afshan Azad - Padma Patil

Alan Rickman - Perselus Piton professzor

Alfred Enoch - Dean Thomas

Bonnie Wright - Ginny Weasley

Charles Hughes - fiatal Féregfark

Chris Rankin - Percy Weasley

Daniel Radcliffe - Harry Potter

David Thewlis - Remus Lupin

Devon Murray - Seamus Finnigan

Emma Watson - Hermione Granger

Evanna Lynch - Luna Lovegood

Fiona Shaw - Petunia Dursley

Gary Oldman - Sirius Black

George Harris - Kingsley Shacklebolt

Helen McCrory - Bellatrix Lestrange

Herry Melling - Dudley Dursley

Imelda Staunton - Dolores Umbridge

James Phelps - Fred Weasley

Jamie Waylett - Crak

Jason Boyd - Piers Polkiss

Jason Isaacs - Lucius Malfoy

John Cleese - Félig Fej Nélküli Nick

Joshua Herdman - Monstro

Julie Walters - Molly Weasley

Kathryn Hunter - Mrs Figg

Katie Leung - Cho Chang

Maggie Smith - Minerva McGalagony professzor

Mark Williams - Arthur Weasley

Matthew Lewis - Neville Longbottom

Michael Gambon - Albus Dumbledore professzor

Michael Wildman - Magorián

Natalie Tena - Nymphadora Tonks

Nick Shim - Zacharias Smith

Oliver Phelps - George Weasley

Ralph Fiennes - Voldemort Nagyúr

Richard Griffiths - Vernon Dursley

Richard Leaf - Dawlish

Richard Macklin - Malcolm

Robbie Coltrane - Rubeus Hagrid

Robbie Jarvis - fiatal James Potter

Rupert Grint - Ron Weasley

Shefali Chowdhury - Parvati Patil

Sian Thomas - Amelia Bones

Susie Shinner - fiatal Lily Evans

Tom Felton - Draco Malfoy