The Doctor was frowning as he was listening to him. He didn't like what was going on. "Who are you talking about?" he sounded serious; He knew that he could just go along with what was wanted until they were safe.
He was hoping he could go ahead with that trick. He was worried about Arwens safety. He could feel himself panicking as he didn't seem to know another plan. He was thinking and he looked around. "Who are you?" he said.