Castiel spotted the pair and began to walk toward them briskly. He was glad to see Sam, but his blue eyes searched the area for the other Winchester brother. Dean would be sent here with them as well, wouldn't he? Cas just hoped Dean wasn't in any trouble.

When Rose introduced herself, the man in the trenchcoat looked straight at her. He didn't sneer, but he didn't smile either. "I'm Castiel." He answered simply and looked between her and Sam. It was more of a curious look than a disapproving one.