They've already shown the teaser clip from the intro where a young Bob Page is talking about mysterious plans.. and yup, they got the same guy doing the voicework...
Edit: And from Mary's "um.. no comment" to the question of whether Jensen is related in anyway to the Dentons... I'm guessing there's going to be some form of connection, especially if Jensen does turn out to be that Patient X ...
Maybe Adam will be the clone donor for JC?