 | Daniel Radcliffe als Harry Potter |
 | Rupert Grint als Ron Weasley |
 | Emma Watson als Hermione Granger |
 | Robbie Coltrane als Rubeus Hagrid |
 | Michael Gambon als Albus Dumbledore |
 | Gary Oldman als Sirius Black |
 | David Thewlis als Remus Lupin |
 | Timothy Spall als Peter Pettigrew |
 | Alan Rickman als Severus Snape |
 | Tom Felton als Draco Malfoy |
 | Emma Thompson als Sybill Trelawney |
 | Julie Walters als Molly Weasley |
 | Richard Griffiths als Vernon Dursley |
 | Fiona Shaw als Petunia Dursley |
 | Maggie Smith als Minerva McGonagall |
 | David Bradley als Argus Filch |
 | Pam Ferris als Marge Dursley |
 | Dawn French als The Fat Lady |
 | Julie Christie als Madam Rosmerta |
 | Robert Hardy als Cornelius Fudge |
 | Mark Williams als Arthur Weasley |
 | Harry Melling als Dudley Dursley |
 | Adrian Rawlins als James Potter |
 | Geraldine Somerville als Lily Potter |
 | Lee Ingleby als Stan Shunpike |
 | Lenny Henry als Shrunken Head (voice) |
 | Jimmy Gardner als Ernest Prang |
 | Jim Tavaré als Tom |
 | Abby Ford als Young Witch Maid |
 | Oliver Phelps als George Weasley |
 | James Phelps als Fred Weasley |
 | Chris Rankin als Percy Weasley |
 | Bonnie Wright als Ginny Weasley |
 | Devon Murray als Seamus Finnegan |
 | Warwick Davis als Filius Flitwick |
 | Matthew Lewis als Neville Longbottom |
| Sitara Shah als Parvati Patil |
| Jennifer Smith als Lavender Brown |
 | Bronson Webb als Slytherin Boy |
 | Josh Herdman als Gregory Goyle |
 | Genevieve Gaunt als Pansy Parkinson |
| Kandice Morris als Girl 1 |
 | Alfred Enoch als Dean Thomas |
| Annalisa Bugliani als Mother in Portrait |
| Tess Bu Cuarón als Baby in Portrait |
| Violet Columbus als Girl with Flowers |
 | Paul Whitehouse als Sir Cadogan |
 | Ekow Quartey als Boy 1 |
| Ricky Sahota als Boy 2 |
 | Jamie Waylett als Vincent Crabbe |
| Sharon Sandhu als Girl 2 |
 | Danielle Tabor als Angelina Johnson |
 | Freddie Davies als Old Man in Portrait |
 | Peter Best als The Executioner |
| Lewis Barnshaw als Michael McManus (uncredited) |
 | Ian Brown als Wizard (uncredited) |
| Samantha Clinch als Eloise Midgen (uncredited) |
| Marianne Chase als Rionach O'Neal (uncredited) |
 | Tom Ackerley als Slytherin Student (uncredited) |
| Alfonso Cuarón | Director |
| J.K. Rowling | Novel |
| Steve Kloves | Screenplay |
| David Heyman | Producer |
| Mark Radcliffe | Producer |
| John Williams | Original Music Composer |
| Michael Seresin | Director of Photography |
| Steven Weisberg | Editor |
| Jina Jay | Casting |
| Stuart Craig | Production Design |
| Alan Gilmore | Art Direction |
| Steven Lawrence | Art Direction |
| Gary Tomkins | Art Direction |
| Alexandra Walker | Art Direction |
| Stephenie McMillan | Set Decoration |
| Jany Temime | Costume Design |
| Elizabeth Lewis | Makeup Artist |
| Andrew Ackland-Snow | Art Direction |
| David Evans | Supervising Sound Editor |
| Mark Bullimore | Special Effects |
| Greg Powell | Stunt Coordinator |
| Martin Bayfield | Stunts |
| Rob Dunbar | Visual Effects |
| Christoph Schinko | 3D Animator |
| Alan McPherson | Best Boy Electric |
| Caine Dickinson | Lighting Supervisor |
| Enfys Dickinson | Creative Producer |
| Anthony Rizzo | Digital Effects Supervisor |
| Gabriele Zucchelli | Animation |
| Michael Barnathan | Executive Producer |
| Chris Carreras | Associate Producer |
| Callum McDougall | Executive Producer |
| Lorne Orleans | Producer |
| Tanya Seghatchian | Executive Producer |
| Paula DuPré Pesmen | Associate Producer |
| John Ensby | Color Timer |
| Grace Lan | Digital Intermediate |
| Darren Holland | Rigging Grip |
| Richard Beggs | Sound Designer |
| James Harrison | Sound Editor |
| Andrew Bennett | Art Department Assistant |
| Jodie Jackman | Art Department Coordinator |
| Mark Bartholomew | Assistant Art Director |
| Paul J. Hayes | Construction Coordinator |
| Rupert Porter | Line Producer |
| Larry Gooch | Painter |
| Julian Caldow | Production Illustrator |
| Bryn Court | Sculptor |
| Paul Couch | Standby Painter |
| Ken Coles | Additional Camera |
| Mike Brewster | Additional Photography |
| Simon Finney | Camera Operator |
| Darren Bailey | Camera Technician |
| Robert Binnall | First Assistant Camera |
| Paul Edwards | Steadicam Operator |
| Murray Close | Still Photographer |
| Françoise Fourcade | Assistant Costume Designer |
| David Crossman | Costume Supervisor |
| Eithné Fennel | Hair Designer |
| Andrea Finch | Hairstylist |
| Amanda Knight | Makeup Designer |
| Adrian Rigby | Prosthetic Supervisor |
| Alex Rouse | Wigmaker |
| Peter Mann | Carpenter |
| David Lomax | CG Supervisor |
| Simon Clutterbuck | CGI Supervisor |
| Chris Hammond | Driver |
| Jason Keever | Post Production Assistant |
| Jessie Thiele | Post Production Supervisor |
| John Trehy | Production Controller |
| Sean Hedges-Quinn | Propmaker |
| Tommy Jolliffe | Scenic Artist |
| Mark Timmons | Security |
| Stella Bogh | Sequence Supervisor |
| James Mellor | Set Production Assistant |
| Ryan Kautzman | Software Engineer |
| Stephanie Leavitt | Special Effects Coordinator |
| David Decio | Stand In |
| Jeremy Lazare | Supervising Animator |
| David Rosenbaum | Transportation Coordinator |
| Tim Lewis | Unit Production Manager |
| Vanessa Davies | Unit Publicist |
| Bob Bridges | Video Assist Operator |
| Lorelei David | Visual Effects Editor |
| Randy Jonsson | Layout |
| Annie Penn | Script Supervisor |
| Emma Gaffney | First Assistant Editor |
| Jamie Mills | Electrician |
| Peter Bloor | Gaffer |
| Steve Murphy | Lighting Artist |
| Gary Hedges | Lighting Technician |
| Dave Ridout | Rigging Gaffer |
| Nick Daubeny | Location Manager |
| Gary Nixon | Production Accountant |
| Judy Britten | Production Coordinator |
| David Carrigan | Production Manager |
| Celia Barnett | Researcher |
| June Prinz | Boom Operator |
| Jed Loughran | First Assistant Sound Editor |
| Thomas S. Drescher | Music Editor |
| Edward Karam | Orchestrator |
| John Midgley | Production Sound Mixer |
| Shawn Murphy | Scoring Mixer |
| Andy Kennedy | Sound Effects Editor |
| Tim Blackham | Sound Mixer |
| Matthew Gough | Sound Re-Recording Mixer |
| David Andrews | Animation Supervisor |
| Jaume Arteman | Digital Compositors |
| Oliver Faldo | I/O Supervisor |
| Steve Hamilton | Special Effects Supervisor |
| Daniel Barrow | Visual Effects Coordinator |
| Theresa Corrao | Visual Effects Producer |
| Tim Burke | Visual Effects Supervisor |
| Adam J. Smith | Sound |
| Clwyd Edwards | Modeling |
| Steve Harvey | Unit Manager |
| Kenneth Atherfold | Key Grip |
| David Cross | Grip |
| Chris Carreras | First Assistant Director |
| Ethan J. Platt | Assistant Property Master |
| Jordan Crockett | Draughtsman |
| Pru Bryant-Fenn | Title Designer |
| Simon Werry | Aerial Camera |
| John Marzano | Aerial Director of Photography |
| Maggie Walsh | Costume Coordinator |
| Laurent Guinci | Costume Illustrator |
| Charlotte Finlay | Wardrobe Supervisor |
| Marc Wolff | Aerial Coordinator |
| Clare Norman | Digital Effects Producer |
| Fiona Richards | Second Assistant Director |
| Iain Atkinson | Third Assistant Director |
| William Kruzykowski | Associate Editor |
| Felix Balbas | Rigging Supervisor |
| Dixie Chassay | Casting Assistant |
| Ryan Davis | Additional Sound Re-Recording Mixer |
| Tony Currie | ADR Editor |
| Gemma Nicholson | Assistant Sound Editor |
| Stuart Morton | Foley Editor |
| George Doering | Musician |
| Bradley Gabe | Creature Technical Director |
| Paul Kavanagh | Lead Animator |
| Steve Braggs | CG Artist |
| Christopher Learmonth | VFX Editor |
| Hannah Mais | Assistant Makeup Artist |
| Jemma Scott-Knox-Gore | Contact Lens Technician |
| Peter Edmonds | Costume Assistant |
| Rosy Coppola | Costumer |
| Darlene Forrester | Hairdresser |
| Sarah Downes | Makeup Trainee |
| Janette Boyle | Additional Third Assistant Director |
| Peter MacDonald | Second Unit Director |
| Rob Bliss | Concept Artist |
| Matt Cooke | Dressing Prop |
| Peter Gleaves | ADR Mixer |
| Peter Burgis | Foley Artist |
| Ed Colyer | Foley Mixer |
| Steve Hancock | Sound Assistant |
| John Cramman | Special Effects Technician |
| Mark Casey | Additional Visual Effects |
| Michael Talarico | Visual Effects Camera |
| Daniela Giangrande | Visual Effects Production Assistant |
| Lorea Hoye | Visual Effects Production Manager |
| Bradley Farmer | Stunt Double |
| Marc Cass | Stunt Driver |
| Luke Coulter | Camera Trainee |
| Marc Atherfold | Clapper Loader |
| Andrew Baggarley | Data Wrangler |
| John Ferguson | Focus Puller |
| Joe Buxton | Libra Head Technician |
| Chris Dale | Second Assistant Camera |
| Greg Fisher | Senior Animator |
| Esther St John Gray | Wardrobe Assistant |
| Tom Hornsby | Wardrobe Master |
| Victoria Bate | Assistant Editor |
| Mel Kangleon | Digital Colorist |
| Katie Reynolds | Post Production Coordinator |
| David O'Reilly | Assistant Location Manager |
| Patrick Michael Burke | Location Assistant |
| Robert Judd | Art Department Production Assistant |
| Fraser Grant | Assistant Accountant |
| Robin Demetriou | Catering |
| Alison Wortman | CG Artist |
| Emily Dawson | Chaperone |
| Adrian De Wet | Compositing Supervisor |
| Sandra Frieze | Dialogue Coach |
| Jim Davey | Digital Film Recording |
| Paul Bayfield | Floor Runner |
| Michael Elson | Head of Production |
| Julian Mann | Head of Research |
| Jake Edmonds | Health and Safety |
| Ronn Brown | Matte Painter |
| Lucy Jensen | Production Assistant |
| Paul Hitchcock | Production Consultant |
| Kelly Spearman | Production Runner |
| Vicky Bishop | Production Secretary |
| Rob Hill | Rotoscoping Artist |
| Nick Foley | ADR Recordist |
| Roger Guyett | Visual Effects Supervisor |
| John Richardson | Special Effects Supervisor |
| Bill George | Visual Effects Supervisor |
| Gary Jopling | Assistant Art Director |
| Barry Wilkinson | Property Master |
| Stefan Henrix | Dialogue Editor |
| Chris Columbus | Producer |
| Billy Worth | Stunts |
| Jeremy Hattingh | Digital Compositor |
| Jane Royle | Makeup Artist |
| Faye Aydin | Makeup Artist |
| Clare Le Vesconte | Makeup Artist |
| Sharon Nicholas | Makeup Artist |
| Julia Wilson | Makeup Artist |
| Alastair Bullock | Assistant Art Director |
| Peter Dorme | Assistant Art Director |
| Frederic Evard | Assistant Art Director |
| Joanna Whitney | Stunt Double |
| Joanna Whitney | Stunts |
| Felicity Walker | Stunts |
| Claire Skelton | Stunts |
| Emma Mac | Stunts |
| Abigail Letchford | Stunts |
| Kelly Dent | Stunts |
| Zarene Dallas | Stunt Driver |
| Phillippa Hunt | Third Assistant Director |
| Craig Clarke | Compositing Artist |
| David Holmes | Stunt Double |
| Tolga Kenan | Stunts |
| Marc Mailley | Stunts |
| Jane Clark | Storyboard Artist |
| Ferran Domenech | Animation |
