Well, we've gotten more from our source:
- David Yates will be directing
- Alan Rickman will play Serpine
- last but not least, our very own Derek Landy will be on as writer
And finally, we've gotten word from our source and can reveal that it is infact Derek himself! He let us know through Blogman12, who graciously passed on the info, along with these screencaps:
EDIT: Yes, this was an April Fools'.