The Harry Potter 6 Teaser Trailer!

Warner Bros. Pictures has revealed the new teaser trailer for Harry Potter and the Half-Blood Prince , hitting conventional theaters and IMAX on November 21! Directed by David Yates from a script by Steven Kloves, the anticipated sixth installment stars Daniel Radcliffe, Rupert Grint, Emma Watson, Helena Bonham Carter, David Bradley, Robbie Coltrane, Warwick Davis, Tom Felton, Michael Gambon, Alan Rickman, Maggie Smith, Natalia Tena, Julie Walters, David Thewlis, Evanna Lynch, Matthew Lewis, Bonnie Wright, Jim Broadbent, Helen McCrory, Jessie Cave, Hero Fiennes Tiffin and Frank Dillane. (link)