I'm afraid Justin looks just like Simon Williams in my head, mainly because the voice is so distinctive. Though I was a bit disappointed in Silent Witness to hear Ian's voice coming out of someone who was totally unlike my picture of him.
Another yay for the acknowledgment of Nolly's existence. It sounds like she's got Phoebe's work ethic. I wonder whether they're paving the way for her to come over to the UK so she can attend the school that got Phoebe an offer for Oxford.