Elenco principal dos filmes

Daniel Radcliffe (Harry Potter)
Rupert Grint (Ronald "Rony" Weasley)
Emma Watson (Hermione Granger)
Richard Harris (Alvo Dumbledore)
Maggie Smith (Professora Minerva McGonagall)
Alan Rickman (Professor Severo Snape)
Ian Hart (Professor Quirinus Quirrell)
Robbie Coltrane (Rúbeo Hagrid)
Richard Griffiths (Tio Válter Dursley)
Fiona Shaw (Tia Petúnia Dursley)
John Cleese (Nick Quase-Sem-Cabeça)
Sean Biggerstaff (Olívio Wood)
David Bradley (Argus Filch)
Alfie Enoch (Dino Thomas)
Devon Murray (Seamus Finnigan)
Tom Felton (Draco Malfoy)
Matthew Levis (Neville Longbottom)
Rik Mayall (Pirraça)
Harry Melling (Duda Dursley)
Chris Rankin (Percy Weasley)
Warwick Davis (Prof. Flitwick)
Julie Walters (Molly Weasley)
Mark Williams (Arthur Weasley)
Verne Troyer (Duende do Banco Gringotes)
Bonnie Wright (Gina Weasley)
James Phelps (Fred Weasley)
Oliver Phelps (Jorge Weasley)
James Waylett (Vincent Crabbe)
Josh Herdman (Gregory Goyle)
Zoë Wanamaker (Madame Hooch)
John Hurt (Olivaras)
Adrian Rawlins (Tiago Potter)
Leslie Phillips (Chapéu Seletor - voz)
Richard Bremmer (Voldemort - voz)
Ray Fearon (Firenze - voz)
Jeff Rawle (Amos Diggory)
Robert Pattinson (Cedrico Diggory)
Jason Isaacs (Lucius Malfoy)
Stanislav Ianevski (Viktor Krum)
Robert Hardy (Cornelius Fudge)
Roger Lloyd-Pack (Bartolomeu "Bartô" Crouch) 
David Tennant (Bartolomeu Crouch Jr.)
Katie Leung (Cho Chang)
William Melling (Nigel)
Michael Gambon (Alvo Dumbledore)
Afshan Azad (Padma Patil)
Warwick Davis (Filius Flitwick)
Frances de la Tour (Madame Olympia Maxime)
Shefali Chowdhury (Parvati Patil)
Angelica Mandy (Gabrielle Delacour)
Clémence Poésy (Fleur Delacour)
Predrag Bjelac (Igor Karkaroff)
Brendan Gleeson (Alastor Olho-Tonto Moody)
Charlotte Skeoch (Hannah Abbott)
Miranda Richardson (Rita Skeeter)
Gary Oldman (Sirius Black)
Tiana Benjamin (Angelina Johnson)
Eric Sykes (Frank Bryce)
Ralph Fiennes (Lorde Voldemort)
Geraldine Sommerville (Lílian Potter) 
Timothy Spall (Pedro Pettigrew)