Ron Weasley Tangles With Teen Years in 'Harry Potter and the Half-Blood Prince' Rupert Grint, 20, has played Harry's best friend, Ron Weasley, half his life. By ABC News. July 13, 2009, 12:11 PM.

A new trailer for Harry Potter and the Half-Blood Prince needs no preamble, so let’s watch and then discuss after the jump, cool? My favorite part of this international trailer, however, is ...

In Harry Potter & The Half-Blood Prince movie, only three memories are shown from the Pensieve, ... The ring cursed ...

Discover showtimes, read reviews, watch trailers, find streaming options, and see where to watch Harry Potter and the Half-Blood Prince (2009). Explore cast details and learn more on Moviefone.

HBO's 'Harry Potter' TV show recasts all of the Hogwarts characters with new actors. See who's who in this cast guide.