| Richard Harris | .... | Albus Dumbledore |
| Maggie Smith | .... | Professor McGonagall |
| Robbie Coltrane | .... | Hagrid |
| Saunders Triplets | .... | Baby Harry Potter |
| Daniel Radcliffe | .... | Harry Potter |
| Fiona Shaw | .... | Aunt Petunia Dursley |
| Harry Melling | .... | Dudley Dursley |
| Richard Griffiths | .... | Uncle Vernon Dursley |
| Derek Deadman | .... | Bartender in Leaky Cauldron |
| Ian Hart | .... | Professor Quirrell |
| Ben Borowiecki | .... | Diagon Alley Boy |
| Warwick Davis | .... | Goblin Bank Teller |
| Warwick Davis | .... | Professor Flitwick |
| Warwick Davis | .... | Griphook |
| Vern Troyer | .... | Griphook |
| John Hurt | .... | Mr. Ollivander |
| Richard Bremmer | .... | He Who Must Not Be Named |
| Geraldine Somerville | .... | Lily Potter |
| Harry Taylor | .... | Station Guard |
| Julie Walters | .... | Mrs. Weasley |
| Bonnie Wright | .... | Ginny Weasley |
| Chris Rankin | .... | Percy Weasley |
| James Phelps | .... | Fred Weasley |
| Oliver Phelps | .... | George Weasley |
| Rupert Grint | .... | Ron Weasley |
| Jean Southern | .... | Dimpled Woman on Train |
| Emma Watson | .... | Hermione Granger |
| Matthew Lewis | .... | Neville Longbottom |
| Tom Felton | .... | Draco Malfoy |
| Jamie Waylett | .... | Crabbe |
| Josh Herdman | .... | Goyle |
| Devon Murray | .... | Seamus Finnigan |
| Alfred Enoch | .... | Dean Thomas |
| Leslie Phillips | .... | The Sorting Hat (Stimme) |
| Eleanor Columbus | .... | Susan Bones |
| John Cleese | .... | Nearly Headless Nick |
| Terence Bayler | .... | The Bloody Barron |
| Simon Fisher Becker | .... | Fat Friar |
| Nina Young | .... | The Grey Lady |
| David Bradley | .... | Mr. Filch |
| Alan Rickman | .... | Professor Snape |
| Zoë Wanamaker | .... | Madame Hooch |
| Luke Youngblood | .... | Lee Jordan |
| Sean Biggerstaff | .... | Oliver Wood |
| Elizabeth Spriggs | .... | Fat Lady |
| Danielle Taylor | .... | Angelina Johnson |
| Leilah Sutherland | .... | Alicia Spinnet |
| Emily Dale | .... | Katie Bell |
| David Holmes | .... | Adrian Pucey |
| Will Theakston | .... | Marcus Flint |
| Scott Fern | .... | Terrence Higgs |
| Adrian Rawlins | .... | James Potter |
| Ray Fearon | .... | Firenze (Stimme) |
| Adam Alderman | .... | Goblin (uncredited) |
| Adam Alderman | .... | Ghost (uncredited) |
| Karen Anderson | .... | Goblin (uncredited) |
| Steve Apelt | .... | The Fruit & Veg Barrow Man (uncredited) |
| Mark Ballas | .... | Hogwarts Schoolboy (uncredited) |
| Paul Bannon | .... | Train Porter (uncredited) |
| Alan Bennett | .... | Goblin (uncredited) |
| Lukas Bennett | .... | Hogwarts Schoolboy (uncredited) |
| Sarah Bennett | .... | Goblin (uncredited) |
| David Brett | .... | Dedalus Diggle (uncredited) |
| Peter Burroughs | .... | Goblin (uncredited) |
| Melita Clarke | .... | Witch (uncredited) |
| Maria Coyne | .... | Hogwarts Student (uncredited) |
| Paul Marc Davis | .... | The Ghost of the Cavalier (uncredited) |
| Degsey Dee | .... | Gringotts Goblin (uncredited) |
| Dex | .... | Scabbers (uncredited) |
| Melanie Dixon | .... | Goblin (uncredited) |
| Amy Domenica | .... | Quidditch Player (uncredited) |
| Mike Edmonds | .... | Goblin (uncredited) |
| Liam Elcoat | .... | Hogwarts Schoolboy (uncredited) |
| David William James Elliott | .... | Gryffindor Senior (uncredited) |
| Scott English | .... | Goblin (uncredited) |
| Holly-Ann Filtness | .... | Schoolgirl (uncredited) |
| Hannah Flynn | .... | Gryffindor Student (uncredited) |
| Masashi Fujimoto | .... | Leaky Cauldron Patron (uncredited) |
| Rusty Goffe | .... | Gringotts Goblin (uncredited) |
| Paul Grant | .... | Goblin (uncredited) |
| Dani Harmer | .... | Hogwarts Student (uncredited) |
| Katie Healy | .... | Hogwarts Student (uncredited) |
| Marc Hendrey | .... | Schoolboy (uncredited) |
| Maude Hirst | .... | Hogwarts Student (uncredited) |
| Leila Hoffman | .... | Augusta Longbottom (uncredited) |
| Aimee Holden | .... | Goblin (uncredited) |
| Phil Holden | .... | Goblin (uncredited) |
| Darren Horan | .... | Goblin (uncredited) |
| Derek Hough | .... | Hogwarts Schoolboy (uncredited) |
| Julianne Hough | .... | Hogwarts Schoolgirl (uncredited) |
| Will Howes | .... | Hogwarts Student (uncredited) |
| Hugo | .... | Fang (uncredited) |
| Kieri Kennedy | .... | Child at Zoo (uncredited) |
| Natalie Klamar | .... | Slytherin Keeper (uncredited) |
| Theo Kypri | .... | Unicorn Blood Drinker (uncredited) |
| Oliver Lavery-Farag | .... | Hogwarts Student (uncredited) |
| Mark Lisle | .... | Goblin (uncredited) |
| Peter Mandell | .... | Goblin (uncredited) |
| Maximus | .... | Mrs. Norris (uncredited) |
| Franky Mwangi | .... | Goblin (uncredited) |
| Jenny O'Sullivan | .... | Goblin (uncredited) |
| Jo Osmond | .... | Goblin (uncredited) |
| Lisa Osmond | .... | Gringotts Goblin (uncredited) |
| Cath Peakin | .... | Hogwarts Student (uncredited) |
| Stefan Pejic | .... | Student (uncredited) |
| Christina Petrou | .... | Amanda (uncredited) |
| Niall Phillips | .... | Young Boy (uncredited) |
| Jason Porter | .... | Hogwarts Student (uncredited) |
| Katie Purvis | .... | Goblin Banker (uncredited) |
| Nicholas Read | .... | Goblin (uncredited) |
| Richard Alan Reid | .... | Gryffindor Prefect (uncredited) |
| Miles Richardson | .... | Man in Armour Portrait (uncredited) |
| Luke Rogan | .... | Gryffindor Student (uncredited) |
| Sarah Rorbach | .... | Hogwarts Schoolgirl (uncredited) |
| Mark Sealey | .... | Gringotts Goblin (uncredited) |
| Natalie Anastasia Selfe | .... | Hogwarts Student (uncredited) |
| Louisa Sexton | .... | Hufflepuff Student (uncredited) |
| Kiran Shah | .... | Goblin (uncredited) |
| Hazel Showham | .... | Septima Vector (uncredited) |
| Dominic Smith | .... | Phillip (uncredited) |
| Bianca Sowerby | .... | Hogwarts Student (uncredited) |
| Gerald Staddon | .... | Goblin (uncredited) |
| Zoe Sugg | .... | Girl in Potion Class (uncredited) |
| Dolly Thompson | .... | Hogwarts Student (uncredited) |
| Darren Tough | .... | Hogwarts Schoolboy (uncredited) |
| Bernadette Jane Vanderkar | .... | Hogwarts Student (uncredited) |
| Jimmy Vee | .... | Goblin (uncredited) |
| Jasmin Walia | .... | School Child (uncredited) |
| Brian Wheeler | .... | Gringotts Goblin (uncredited) |
| Gary Wronecki | .... | Wizard (uncredited) |