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)

Natalie Hallam as Death Eater (uncredited)

Nikki Bond as Goblin (Uncredited)

Nick Turner as Death Eater (uncredited)