It is not. Nor is it Simon Chadwick (Nate Howe. Which is who *I* thought was at first). They said, but I can't remember where, that it's an actor they've never used.
Yes, DG said it here on BSN. It's someone 20-30something and new.
Well, I now heard the line "Your death will be my apology" so that's new 
Awesome, I didn't hear that! I couldn't hear anything, honestly.
I picked up on that, too. "And here's Leliana, buying you some time. They all are, to a certain extent."
Yes, this was interesting. I guess underscoring again why you're the hero, because no one else can do what you do. Hmmm... Or is it something more?
What bad guy? The big bad? Or some other punk?
Probably some other punk, but they didn't say. Alexius, eeeevil Tevinter magister, former Dorian mentor.