I don't know a whole lot about voice acting or the who's-who of it all, so bear with me.

Playing through Skyrim these days and I could swear that one of the generic Imperial voices in none other than Balthier's. It took me a bit of time to pinpoint it, but when I did I checked the Wiki to make sure and:

Gideon Emery - Wikipedia, the free encyclopedia

Yep.

So, since FFXII was with few exceptions a wonderfully voiced game, what other games have you been pleasantly surprised to suddenly hear a XII actor?