Update: 15:30 This has now been confirmed as True. Please see here for details. The comments section for his post is now closed.
Thanks to DarkUFO reader Jodie for the following. As usual we're posting in Rumours but I'm pretty certain this is legit and we should have a photo/scan of the call sheet shortly. Once we do I'll move over to Spoilers.
Comments in () are from Jodie.
This is quite spoilerly so you have been warned :)
See here for details