Eobard Thawne might be gone, but that doesnt mean weve seen the last of Harrison Wells. In fairness, we havent really seen him at all yet, not the proper one anyway. Producer Andrew Kreisberg confirmed this fairly emphatically when he said: Tom Cavanagh will be back. That is not in question. Tom Cavanagh will continue to be a regular. Itll be interesting to see how that works. Eddies sacrifice could mean that Wells is saved from being killed by Thawne, and is thus still alive in the present day and has been continuing his work, although it throws up the question of what else is now changed. Theres also the possibility of Wells existing in an alternate dimension. Either way, having more of Cavanagh on the show can only be a good thing, although maybe not for the Star Labs team, given he has the face of their biggest enemy to date.