Just the Doctor will suffice. Ooh, look at you two! [ He...has no idea who you guys are BUT you know Riddell so that's something, right! Though Graham... Nah, Graham Riddell? What was his first name anyway? ]
Beautiful--yes, it's me, hello! Nice to see you, haven't seen you since the dinosaurs on that space ship, wonderful! Have you seen Clara, yet? Lovely girl, good friend of mine, she's much better at getting people adjusted.