http://www.standard.co.uk/showbiz/celebrity-news/star-wars-producer-kathleen-kennedy-confirms-that-entire-cast-will-return-for-eighth-film-a3139911.html

Kathleen Kennedy confirmed at the European TFA premiere that “all the cast members you see here tonight” will be back for Episode VIII. Present at the event? Harrison Ford. Now, KK could very well have been bending the truth to avoid spoiling TFA, but if she wasn’t, what do we think this means? Personally, my money is on Kylo having an hallucination of the old man.