we don't know I am speccing just like you all are speccing he's a serious love interest. mickey only alluded to a few episodes so i am basing it on that. I am also basing it on the lack of news about seb. if he was being added to the cast

aussielo or e woudl have spilled that coup by now. so at most he's prob only on for a handful of episodes before he disappears again.