Matthew Lewis visited the National Media Museum in Bradford, England earlier this week, where he was invited to an IMAX 3D showing of Half-Blood Prince. Matt also participated in an interview, where he spoke about watching Order of the Phoenix for the first time in IMAX, promoting Half-Blood Prince recently, and working on Deathly Hallows.

In regards to the final Harry Potter movies, Matt stated that he worked for two weeks earlier in the year, doing a tunnel sequence involving Neville, Harry, Ron, and Hermione, during which, as Matt said, there was a great deal of dialogue (notably the scene where Neville leads the trio from the Hog's Head to Hogwarts' Room of Requirement).

The interview can be seen below: