 | Daniel Radcliffe als Harry Potter |
 | Rupert Grint als Ron Weasley |
 | Emma Watson als Hermione Granger |
 | Richard Harris als Albus Dumbledore |
 | Tom Felton als Draco Malfoy |
 | Alan Rickman als Severus Snape |
 | Robbie Coltrane als Rubeus Hagrid |
 | Maggie Smith als Minerva McGonagall |
 | Richard Griffiths als Vernon Dursley |
 | Ian Hart als Quirinus Quirrell |
 | Fiona Shaw als Petunia Dursley |
 | John Hurt als Mr. Ollivander |
 | David Bradley als Argus Filch |
 | Matthew Lewis als Neville Longbottom |
 | Sean Biggerstaff als Oliver Wood |
 | Warwick Davis als Goblin Bank Teller / Filius Flitwick / Griphook (voice) |
 | Harry Melling als Dudley Dursley |
 | James Phelps als Fred Weasley |
 | Oliver Phelps als George Weasley |
 | John Cleese als Nearly Headless Nick |
 | Chris Rankin als Percy Weasley |
 | Alfred Enoch als Dean Thomas |
 | Devon Murray als Seamus Finnigan |
 | Jamie Waylett als Vincent Crabbe |
 | Josh Herdman als Gregory Goyle |
 | Zoë Wanamaker als Madam Hooch |
 | Julie Walters als Molly Weasley |
 | Bonnie Wright als Ginny Weasley |
 | Luke Youngblood als Lee Jordan |
 | Verne Troyer als Griphook |
 | Adrian Rawlins als James Potter |
 | Geraldine Somerville als Lily Potter |
 | Elizabeth Spriggs als The Fat Lady |
 | Richard Bremmer als Lord Voldemort |
 | Nina Young als The Grey Lady |
 | Terence Bayler als The Bloody Baron |
 | Harry Taylor als Station Guard |
 | Leslie Phillips als The Sorting Hat (voice) |
 | Simon Fisher-Becker als Fat Friar |
 | Derek Deadman als Bartender in Leaky Cauldron |
 | Ray Fearon als Firenze (voice) |
 | Eleanor Columbus als Susan Bones |
 | Ben Borowiecki als Diagon Alley Boy |
 | Danielle Tabor als Angelina Johnson |
| Leilah Sutherland als Alicia Spinnet |
| Emily Dale als Katie Bell |
 | Will Theakston als Terence Higgs |
| Saunders Triplets als Baby Harry Potter |
 | David Holmes als Slytherin Beater |
 | Jean Southern als Trolley Witch (uncredited) |
| Kieri Kennedy als Child at Zoo (uncredited) |
 | Leila Hoffman als Augusta Longbottom (uncredited) |
 | Julianne Hough als Hogwarts Schoolgirl (uncredited) |
| Zoe Sugg als Girl in Potion Class (uncredited) |
 | Jimmy Vee als Goblin (uncredited) |
 | Derek Hough als Ravenclaw Student (uncredited) |
 | Dani Harmer als Student (uncredited) |
| Mark Ballas als Hogwarts Schoolboy (uncredited) |
 | Paul Marc Davis als Lord Draben (uncredited) |
| Violet Columbus als Girl with Flowers (uncredited) |
| Paul Grant als Goblin (uncredited) |
| Scot Fearn als Adrian Pucey |
 | Jamie Yeates als Marcus Flint |
| Chris Columbus | Director |
| Greg Powell | Stunt Coordinator |
| David Heyman | Producer |
| Stuart Craig | Production Design |
| Nigel Brackley | Special Effects |
| John Williams | Original Music Composer |
| J.K. Rowling | Novel |
| Andrew Ackland-Snow | Art Direction |
| Clare Le Vesconte | Makeup Artist |
| Richard Francis-Bruce | Editor |
| Karen Lindsay-Stewart | Casting |
| Stephenie McMillan | Set Decoration |
| John Seale | Director of Photography |
| Jim Berney | Visual Effects Supervisor |
| Jane Jenkins | Casting |
| Susie Figgis | Casting |
| Janet Hirshenson | Casting |
| Judianna Makovsky | Costume Design |
| Steve Kloves | Screenplay |
| Martin Cantwell | Sound Effects Editor |
| Henry Allen | Stunts |
| Todd Arnow | Associate Producer |
| Michael Barnathan | Executive Producer |
| Mark Radcliffe | Executive Producer |
| Tanya Seghatchian | Co-Producer |
| Chris Columbus | Executive Producer |
| Duncan Henderson | Executive Producer |
| Paula DuPré Pesmen | Associate Producer |
| John Midgley | Sound Mixer |
| Pete Cavaciuti | Camera Operator |
| Warren Deluce | Driver |
| Peter Muncey | Grip |
| Alf Tramontin | Steadicam Operator |
| Graham Churchyard | Costume Supervisor |
| Todd Arnow | Unit Production Manager |
| Peter Francis | Art Direction |
| Jane Body | Hairstylist |
| Alex Rouse | Wigmaker |
| John Lambert | Makeup Effects |
| Michael Lamont | Art Direction |
| Paul Couch | Standby Painter |
| Peter Mountain | Still Photographer |
| John Cheeseman | Security |
| Gary Arthurs | Utility Stunts |
| Tim Caplan | I/O Supervisor |
| Steven Lawrence | Art Direction |
| Vanessa Davies | Unit Publicist |
| Gary Nixon | Production Accountant |
| Lucinda Thomson | Art Direction |
| Brian Hathaway | Transportation Coordinator |
| Jennifer Spenelli | First Assistant Editor |
| Pauline Ts'o | Lighting Supervisor |
| Julian Pinn | Dolby Consultant |
| Yves De Bono | Special Effects Coordinator |
| Kevin Tengan | Systems Administrators & Support |
| Brian Estabrook | Transportation Co-Captain |
| Nicholas Atkinson | Visual Effects Editor |
| Michael Bradley | Electrician |
| Russell Lodge | Production Supervisor |
| Bob Mercier | Sequence Leads |
| Annie Penn | Script Supervisor |
| Dave Ridout | Rigging Gaffer |
| Edward Karam | Orchestrator |
| Cliff Robinson | Art Direction |
| Cyrille Nomberg | Production Illustrator |
| Michael Boone | Set Designer |
| Hilmar Koch | Sequence Supervisor |
| Eddy Joseph | Supervising Sound Editor |
| David Andrews | Animation Supervisor |
| John Richardson | Special Effects Supervisor |
| Ted Deason | First Assistant Camera |
| Rosemary Burrows | Assistant Costume Designer |
| Des Petterson-Jones | Chef |
| Mark Marshall | Post Production Supervisor |
| Keith Hatcher | Location Manager |
| Anita Bevelheimer | Digital Compositors |
| Richard Cole | Visual Effects Coordinator |
| Dominic Masters | Assistant Art Director |
| Peter Hunt | Color Timer |
| Kevin Edland | Gaffer |
| Lisa Turner | Art Department Coordinator |
| Larry Gooch | Painter |
| Amanda Knight | Makeup Designer |
| David Nicoll | Scenic Artist |
| Bob Bridges | Video Assist Operator |
| Adam Daniel | Sound Re-Recording Mixer |
| Malcolm Roberts | Construction Coordinator |
| Eithné Fennel | Hair Designer |
| Mark Lambert | CG Supervisor |
| Mira Husseini | Set Production Assistant |
| June Prinz | Boom Operator |
| Toby Lloyd | Projection |
| Alia Agha | 3D Supervisor |
| Hazel Cook | Production Coordinator |
| Julie Orosz | Production Manager |
| Peter Myles | Music Editor |
| Simon Rhodes | Scoring Mixer |
| Simon Lamont | Art Direction |
| Bryn Court | Sculptor |
| Steve Browell | Temp Music Editor |
| Joyce Cox | Visual Effects Producer |
| Nick Lowe | ADR Editor |
| Simon Werry | Aerial Camera |
| Simon Chase | Assistant Sound Editor |
| Lee Clayton | Tailor |
| Gary Romaine | Dolly Grip |
| Nick Ray | Key Grip |
| Michael Michael | Third Assistant Director |
| Gary Gero | Animal Coordinator |
| David Carrigan | Assistant Production Manager |
| Buffy Hall | Casting Assistant |
| Mark Coulier | Prosthetic Makeup Artist |
| Peter Holt | Foley Editor |
| Louis Elman | ADR Voice Casting |
| Kenneth Wannberg | Supervising Music Editor |
| Jamie Wilkinson | Assistant Property Master |
| James Lamb | Digital Effects Producer |
| Michael Stevenson | Second Assistant Director |
| Ryan Davis | Additional Sound Re-Recording Mixer |
| Alison Odell | Assistant Production Coordinator |
| Marc Wolff | Pilot |
| Martin Mandeville | Costume Coordinator |
| Peter Davies | Musician |
| Ivor Middleton | Lead Animator |
| Chris Carreras | First Assistant Director |
| Laura Johnson | Costume Assistant |
| Claus Wehlisch | Assistant Editor |
| Andrew Garnet-Lawson | Matte Painter |
| Graham Weames | Head Carpenter |
| Andy Stevens | Visual Effects Camera |
| Julia Egerton | Compositing Artist |
| Michael Elson | Head of Production |
| Gerard Roche | ADR Mixer |
| Mark Brady | Supervising Carpenter |
| Jake Jackson | Assistant Sound Engineer |
| Anabel Campbell | Wardrobe Assistant |
| Jessie Thiele | Post Production Coordinator |
| Mark Axtell | Production Assistant |
| Nisha Parti | Production Consultant |
| Katie Reynolds | Production Secretary |
| Will Broadbent | CG Artist |
| John Weller | Senior Modeller |
| Charlotte Mason-Apps | Continuity |
| Felicity Cottrell | Foley Artist |
| Michael Durkan | Special Effects Technician |
| Trevor Chalmers | Assistant Accountant |
| Martin Cook | Rotoscoping Artist |
| Patrick Casey | Construction Buyer |
| Lizzi Wilson | Petty Cash Buyer |
| Sandra Frieze | Dialogue Coach |
| Joel Román Mendías | Production Executive |
| Ed Colver | Foley Mixer |
| Chris Bogle | Location Assistant |
| Marshall Richard Krasser | Compositing Supervisor |
| Joe Buxton | Libra Head Technician |
| Matthew Glen | Additional Visual Effects |
| Lauren A. Littleton | Visual Effects Production Manager |
| Simon Burgess | Assistant Location Manager |
| Allison Coit | Visual Effects Production Assistant |
| Janos Jersch | Assistant Camera |
| Tobias Eedy | Second Assistant Camera |
| Hunter Athey | CG Animator |
| Sue Binfield | Location Coordinator |
| Adam Brockbank | Storyboard Artist |
| David Holmes | Stunt Double |
| Jemma Scott-Knox-Gore | Contact Lens Technician |
| R.J. Mino | Additional Second Assistant Director |
| David R. Ellis | Second Unit Director |
| Gareth Bull | ADR Recordist |
| Kevin Wescott | Special Effects Assistant |
| Kyle Clark | ADR Voice Casting |
| Darlene Forrester | Hairdresser |
| Alan Harrison | Camera Trainee |
| Paul McGhee | Digital Color Timer |
| Paul Burges | Dressing Prop |
| Peter Nicolai | Animation Coordinator |
| Jim Davey | Digital Film Recording |
| Chuck Douglas | Floor Runner |
| Colin Ritchie | Dialogue Editor |
| Barry Wilkinson | Property Master |
| Robert Palmer | Second Assistant Camera |
| David Appleby | Best Boy Grip |
| Graham Daniel | Sound Re-Recording Mixer |
| Ray Merrin | Sound Re-Recording Mixer |
| Karen M. Murphy | Visual Effects Producer |
| Jane Royle | Makeup Artist |
| Ulf Lundgren | VFX Artist |
| Christopher Romano | Visual Effects |
| Cari Thomas | Visual Effects Producer |
| Robert Legato | Visual Effects Supervisor |
| Ian Dray | Additional Third Assistant Director |
| Felicity Walker | Stunts |
| Leila Stewart | Stunts |
| Abbi Collins | Stunts |
| Gary Powell | Stunts |
| Tolga Kenan | Stunts |
| Rob Bliss | Concept Artist |
| Ben Shepherd | CG Animator |
