The Harry Potter Wizards Collection website has released a new video in which cast members talk about Rupert Grint and Daniel Radcliffe when they were working on the two first films.  Richard Harris, Mark Williams and David Barron are interviewed in the one minute clip. It will part of the bonus features for Harry Potter and the Deathly Hallows and is called Creating the World of Harry Potter ? Part 8: Growing Up.

Thanks to SnitchSeeker for the video!