Great sites
Quotes
Arthur Weasley: Times like these, dark times, they do funny things to people. They can tear them apart.
Mistakes
In the Great Hall before the Quidditch match, in the shots facing Hermione she is sitting opposite the empty place setting beside Ron, but in the shots facing Ron she is directly opposite him. Take note of the goblets, plate of eggs, etc. See more...
Harry Potter and the Half-Blood Prince (2009) - 6 trivia entries
starring Alan Rickman, Daniel Radcliffe, Emma Watson, Helena Bonham Carter, Jim Broadbent, Julie Walters, Maggie Smith, Michael Gambon, Robbie Coltrane, Rupert Grint, Timothy Spall, Tom Felton, Warwick Davis (add more)
⇑
⇓
In the Room of Requirement, opposite the Vanishing Cabinet, stands the bewitched harp from Fluffy's chamber in Harry Potter and the Philosopher's Stone , which was used by Professor Quirrell to put the three-headed dog to sleep over the trap door.
⇑
⇓
Christian Coulson, who played Tom Riddle in the second film, expressed interest in returning for this film, but David Yates felt Coulson was too old to convincingly play the role again. Ironically, Coulson was "too old" to begin with, being almost ten years older than the age group Chris Columbus had set for auditions.