Board Thread:Sonic News and Updates/@comment-9994375-20140206200137/@comment-24261123-20140220002826

KniroAndTito3915 wrote: My prediction is that none of the old characters will appear besides the main four and Eggman. Possibly they will have cameo appearances...

But I could be totally wrong. It's just a guess. The original press release mentioned many old and new characters...