Even when I was a child, I always wanted to be older. I realised just in time that it's a mistake and to enjoy my youth while I had it.

Europe is so much the home of Horror, with its myths of vampires, werewolves, witchcraft and the undead, yet it's like those myths were exported to Hollywood, leaving Europe the room to develop a new tradition as a way of processing its traumas, particularly the two world wars.

When I was your age — about, ooh, a thousand years ago — I loved a good bedtime story. The Three Little Sontarans. The Emperor Dalek's New Clothes. Snow White and the Seven Keys to Doomsday, eh? All the classics.

I'm terribly nostalgic, but I'm with the Elizabethans who thought nostalgia was a disease. It's a dangerous place to be because you can get caught up in it.

We turned the lights off to save money, so you can't really see it. It's the same show. Hopefully, there are lots of laughs and lots of great personal stuff, but it is explicitly a darker season [4 of Sherlock Holmes].

I prefer sneaking in the back door.

My dad was quite a forbidding figure. I realise now that that was mainly because he worked so hard. He wasn't unkind, but he was a presence.