Someone on TIBB found this
http://i48.tinypic.com/2edo2nk.png
It was found on what appears to be a test profile on Twitter for the new series and it contained the following tweets:
So .. 3 possible wildcard housemates: Anthony, Rebecca and Bhavesh..
It also seems that all three are over 30, Anthony works at Royal Mail and Bhavesh is a receptionist.