Yeek, MERLIN! Haha, not entirely sure WHO Sarah Parish is either, but I was at Pierrefonds last Thursday and she was there (according to another tourist) filming with Anthony Head (Colin was there for a bit too, but all he did was stand 'round and then he left). Whatever scene they were filming starts with her saying to Uther, "What a charming idea."

Also, I like this whole Susan and Mary Poppins thing.