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| Daniel Radcliffe | Harry Potter | |
| Michael Gambon | Professor Albus Dumbledore | |
| Dave Legeno | Fenrir Greyback | |
| Elarica Johnson | Waitress | |
| Jim Broadbent | Professor Horace Slughorn | |
| Geraldine Somerville | Lily Potter | |
| Bonnie Wright | Ginny Weasley | |
| Julie Walters | Molly Weasley | |
| Rupert Grint | Ron Weasley | |
| Emma Watson | Hermione Granger | |
| Helena Bonham Carter | Bellatrix Lestrange | |
| Helen McCrory | Narcissa Malfoy | |
| Timothy Spall | Wormtail | |
| Alan Rickman | Professor Severus Snape | |
| Oliver Phelps | George Weasley | 
| Director | 
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| Producer | David Heyman David Barron | ||
| Writer | Steve Kloves J.K. Rowling | ||
| Cinematography | Bruno Delbonnel | ||
| Musician | Nicholas Hooper | 
|  | As Harry begins his sixth year at Hogwarts, he discovers an old book marked as 'Property of the Half-Blood Prince', and begins to learn more about Lord Voldemort's dark past. | 
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