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].
Mark GatissThat's what makes characters interesting. If Sherlock [Holmes] had started out being a straightforward man, we wouldn't be talking about him now. If he became one, that would be interesting. But you have to give him somewhere to go, as [Conan] Doyle did.
Mark GatissI'm an actor and a writer, that's how I think of myself. Sometimes my time is divided equally, sometimes less equally, but that's what I do.
Mark Gatiss