Matthew has been confirmed as attending the Harry Potter and the Half-Blood Prince premiere in London. The premiere will take place Tuesday, July 7, at the Odeon Leicester Square at 6pm BST.
Other stars attending are as follows: Daniel Radcliffe, Rupert Grint, Emma Watson, Bonnie Wright, Tom Felton, Helena Bonham Carter, Helen McCrory, Alan Rickman, Michael Gambon, Robbie Coltrane, Jim Broadbent, Hero Tiffin, Natalia Tena, David Thewlis, Maggie Smith, Julie Walters, Jessie Cave, Evanna Lynch, director David Yates, producers David Heyman and David Barron, and author J.K. Rowling.