- Daniel Radcliffe
- Harry Potter
- Rupert Grint
- Ron Weasley
- Emma Watson
- Hermione Granger
- Kenneth Branagh
- Gilderoy Lockhart
- John Cleese
- Nearly Headless Nick
- Robbie Coltrane
- Rubeus Hagrid
- Warwick Davis
- Professor Flitwick
- Richard Griffiths
- Vernon Dursley
- Richard Harris
- Professor Albus Dumbledore
- Jason Isaacs
- Lucius Malfoy
- Alan Rickman
- Professor Severus Snape
- Fiona Shaw
- Petunia Dursley
- Maggie Smith
- Professor Minerva McGonagall
- Julie Walters
- Mrs. Molly Weasley
- Shirley Henderson
- Moaning Myrtle
- Julian Glover
- Aragog
- Miriam Margolyes
- Professor Sprout
- Mark Williams
- Mr. Arthur Weasley
- Toby Jones
- Dobby the House Elf
- Bonnie Wright
- Ginny Weasley
- Tom Felton
- Draco Malfoy
- David Bradley
- Mr. Angus Filch
- Gemma Jones
- Madam Pomfrey
- Christian Coulson
- Tom Riddle
- Harry Melling
- Dudley Dursley
- Chris Columbus
- Director, Executive Producer
- Steve Kloves
- Screenwriter
- David Heyman
- Producer
- Mark Radcliffe
- Executive Producer
- Michael Barnathan
- Executive Producer
- David Barron
- Executive Producer
- J.K. Rowling
- Writer
- John Williams
- Music
- Roger Pratt
- Cinematographer
- Peter Honess
- Film Editing
- Stuart Craig
- Production Design
- Jim Mitchell
- Visual Effects Supervisor
- Nick Davis
- Visual Effects Supervisor
- Cliff Richardson
- Special Effects Supervisor
- Andrew Ackland-Snow
- Art Director
- Peter Francis
- Art Director
- John King
- Art Director
- Steven Lawrence
- Art Director
- Lucinda Thomson
- Art Director
- Mark Bartholomew
- Art Director
- Stephenie McMillan
- Set Decoration
- Lindy Hemming
- Costume Design
- Karen Lindsay-Stewart
- Casting
