Visible crew/equipment: Sherlock and Joan are sitting on a street restaurant. The restaurant glass door opens in the background and you can see a light box reflected on it.
Character mistake: Clyde is a tortoise, but Joan, after finding Sherlock, put him in her bed, brings him down and calls him his "pet turtle." (00:14:08)
Answer: I'm the same person who asked this question. I discovered it was Molly Price whom I recognized from Third Watch.
Cathrine R
It should be noted Donna was Jim Fowkes‘ secretary. Donna killed Peter.
Bishop73