The name throws him, because he remembers that name. Kirkwall. He remembers this man - or what this man used to be, before the withdrawal. He fought alongside him during some of the darker times in Kirkwall. Before addressing Cade, he turns briefly to the dungeon guards. "Keys, now."

When the guard beings the keys over, Cullen makes short work of opening the door. "We have several options, considering your current situation."