Main Cast:
* Daniel Radcliffe as Harry Potter
* Rupert Grint as Ron Weasley
* Emma Watson as Hermione Granger
* Alan Rickman as Severus Snape
* Maggie Smith as Minerva McGonagall
* Michael Gambon as Albus Dumbledore
* Tom Felton as Draco Malfoy
* Bonnie Wright as Ginny Weasley
* James Phelps as Fred Weasley
* Oliver Phelps as George Weasley
* Matthew Lewis as Neville Longbottom
* Evanna Lynch as Luna Lovegood
* Jim Broadbent as Horace Slughorn
* Helena Bonham Carter as Bellatrix Lestrange
* Robbie Coltrane as Rubeus Hagrid
* Julie Walters as Molly Weasley
* Mark Williams as Arthur Weasley
* Jason Isaacs as Lucius Malfoy
* Gary Oldman as Sirius Black (appears in flashbacks)
Supporting Cast:
* Ciaran Hinds as Aberforth Dumbledore
* David Thewlis as Remus Lupin (appears in flashbacks)
* Timothy Spall as Peter Pettigrew (appears in flashbacks)
* Devon Murray as Seamus Finnigan
* Alfred Enoch as Dean Thomas
* Chris Rankin as Percy Weasley
* Katie Leung as Cho Chang
* Domhnall Gleeson as Bill Weasley
* Louis Cordice as Blaise Zabini
* Josh Herdman as Gregory Goyle
* Jamie Waylett as Vincent Crabbe
* Natalia Tena as Nymphadora Tonks
* David Bradley as Argus Filch
* Shirley Henderson as Moaning Myrtle
* Fiona Shaw as Petunia Dursley
* Richard Griffiths as Vernon Dursley
* Director: David Yates
* Producer: David Heyman
* Screenwriter: Steve Kloves
* Director of Photography: Bruno Delbonnel
* Production Designer: Stuart Craig
* Costume Designer: Jany Temime
* Editor: Mark Day
* Music: Nicholas Hooper
* Visual Effects Supervisor: Tim Burke
This is just a partial list, and the full cast and crew can be found on websites like IMDb.