Daniel Radcliffe
as Harry Potter

Emma Watson
as Hermione Granger

Rupert Grint
as Ron Weasley

Ralph Fiennes
as Lord Voldemort

Alan Rickman
as Severus Snape

Michael Gambon
as Albus Dumbledore

Warwick Davis
as Griphook / Filius Flitwick

Helena Bonham Carter
as Bellatrix Lestrange

Ciarán Hinds
as Aberforth Dumbledore

Matthew Lewis
as Neville Longbottom

John Hurt
as Ollivander

Evanna Lynch
as Luna Lovegood

Robbie Coltrane
as Rubeus Hagrid

Kelly Macdonald
as Helena Ravenclaw

Tom Felton
as Draco Malfoy

Helen McCrory
as Narcissa Malfoy

Jason Isaacs
as Lucius Malfoy

Maggie Smith
as Minerva McGonagall

David Thewlis
as Remus Lupin

Gary Oldman
as Sirius Black

David Bradley
as Argus Filch

Julie Walters
as Molly Weasley

Gemma Jones
as Poppy Pomfrey

Dave Legeno
as Fenrir Greyback

Miriam Margolyes
as Pomona Sprout

Nick Moran
as Scabior

James Phelps
as Fred Weasley

Oliver Phelps
as George Weasley

Clémence Poésy
as Fleur Delacour

Natalia Tena
as Nymphadora Tonks

Mark Williams
as Arthur Weasley

Bonnie Wright
as Ginny Weasley

Domhnall Gleeson
as Bill Weasley

Graham Duff
as Death Eater

Anthony Allgood
as Gringotts Guard

Rusty Goffe
as Aged Gringotts Goblin

Jon Key
as Bogrod

Ian Peck
as Hogsmeade Death Eater

Benn Northover
as Hogsmeade Death Eater

Hebe Beardsall
as Ariana Dumbledore

Devon Murray
as Seamus Finnigan

Jessie Cave
as Lavender Brown

Afshan Azad
as Padma Patil

Isabella Laughland
as Leanne

Anna Shaffer
as Romilda Vane

Georgina Leonidas
as Katie Bell

Freddie Stroma
as Cormac McLaggen

Alfred Enoch
as Dean Thomas

Katie Leung
as Cho Chang

William Melling
as Nigel Wolpert

Sian Grace Phillips
as Screaming Girl

Ralph Ineson
as Amycus Carrow

Suzie Toase
as Alecto Carrow

Jim Broadbent
as Horace Slughorn

Scarlett Hefner
as Pansy Parkinson

Josh Herdman
as Gregory Goyle

Louis Cordice
as Blaise Zabini

Amber Evans
as Twin Girl 1

Ruby Evans
as Twin Girl 2

George Harris
as Kingsley Shacklebolt

Chris Rankin
as Percy Weasley

Guy Henry
as Pius Thicknesse

Phil Wright
as Giant

Gary Sayer
as Giant

Tony Adkins
as Giant

Penelope McGhie
as Death Eater

Emma Thompson
as Sybill Trelawney

Ellie Darcey-Alden
as Young Lily Potter

Ariella Paradise
as Young Petunia Dursley

Benedict Clarke
as Young Severus Snape

Leslie Phillips
as The Sorting Hat (voice)

Alfie McIlwain
as Young James Potter

Rohan Gotobed
as Young Sirius Black

Geraldine Somerville
as Lily Potter

Adrian Rawlins
as James Potter

Toby Papworth
as Baby Harry Potter

Timothy Spall
as Peter Pettigrew

Peter G. Reed
as Death Eater

Judith Sharp
as Death Eater

Emil Hostina
as Death Eater

Bob Yves Van Hellenberg Hubar
as Death Eater

Granville Saxton
as Death Eater

Tony Kirwood
as Death Eater

Ashley McGuire
as Death Eater

Arthur Bowen
as Albus Severus Potter (19 Years Later)

Daphne de Beistegui
as Lily Luna Potter (19 Years Later)

Will Dunn
as James Sirius Potter (19 Years Later)

Jade Gordon
as Astoria Malfoy (19 Years Later)

Bertie Gilbert
as Scorpius Malfoy (19 Years Later)

Helena Barlow
as Rose Weasley (19 Years Later)

Ryan Turner
as Hugo Weasley (19 Years Later)

Paul Bailey
as Gryffindor Student (uncredited)

Sean Biggerstaff
as Oliver Wood (uncredited)

Vinnie Clarke
as Gryffindor Student (uncredited)

David Heyman
as Dining Wizard in Painting (uncredited)

Charlie Hobbs
as Student (uncredited)

Luke Newberry
as Teddy Lupin (uncredited)

Keijo J. Salmela
as Gringotts Goblin (uncredited)

Spencer Wilding
as Knight of Hogwarts (uncredited)

Harrison Davis
as Gringotts Goblin (uncredited)

Annabelle Davis
as Gringotts Goblin (uncredited)

Samantha Davis
as Gringotts Goblin (uncredited)