He blinks and tries to hide his surprise before nodding and taking a seat. If he wasn't fairly easily identified, he'd wonder if the man didn't know. But people talk, especially on the road, and it doesn't take much mental work whatsoever to add warden, mage, blonde, healer, male, and cat together to get Anders.

"You joined us in the midst of the battle. Were you one of the Wardens scattered by Weisshaupt? I was there when it..." Anders' expression turns a little wry. "When it spiraled out of control. We didn't stick around, though. We needed to get the griffons out."