The IMDB is reporting that Brian Cox has joined the cast of Dimension Films’ Scream IV, while his management at Insight quickly debunked the rumor to Bloody Disgusting. Occasionally, these denials come before any contracts have been signed, but we’ll place this news under debunked until something official is released. Shooting begins soon on Scream IV in Michigan with a release locked down for April 15, 2011. Director Wes Craven reteams with Neve Campbell, David Arquette and Courteney Cox, and that’s a fact. Kevin Williamson penned the screenplay.