The script is by Nick Ostler and Mark Huckerby who have lots of kidimation credits (Tree Fu Tom, Octonauts etc) and another horror feature in development, Don't Knock Twice. Martin Gentles and Ed King of Starchild Pictures are producing.
Follow @HowlMovie for updates and pictures like this full-body cast created as the basis for the werewolf suit. Although be aware that the website linked from there, www.howlmovie.com, isn't live yet.