The pc version had this issue too if I recall correctly
Evilv6's forum posts
So the same just happened to me, however, I tried the save and load trick but Iorveth is still not showing up. This glitch really sucks because this has been one of the best if not the best sidequest in the game so far imo.
He often has valid points, it's just how he reacts to anyone who ironically disagrees with him that gets on my nerves, thinking that because he has exposure means that he is totally right and can never wrong.
By the way. The premium edition is a nice touch. It's almost as complete as what other games pass as limited editions - at regular retail price. Including a map and a krakenskull coin and a making of DVD and Papercraft and more..Almost like all games were back in the day before jewelcases.Amen to that.