I think I'm a very good driver. Apparently, the cause of road rage - as with most anger - is some kind of superiority complex, which, god knows, cars foster.

My first agent dissuaded me from calling myself 'Cumberbatch.' I had six months of not very productive time with her, so I changed agents. The new one said, 'Why aren't you using your family name? It's a real attention-grabber.' I worried, 'How much is it going to cost to put my name in lights?' But then I decided that's not my problem.

The further you get away from yourself, the more challenging it is. Not to be in your comfort zone is great fun.

[Sherlock Holmes] has moved from being someone who was sociopathic, work-obsessed and slightly amoral, into being someone who has a certain degree of a private life, which is very, very private, with The Woman, or Irene Adler.

I don't call myself an expert because I've played experts. I know a little bit about very little. But it's very hard to not be drawn into saying something, especially if it has to do with the work.

You can perfect genius because genius is not perfection. On his level and his practice and his methodology, it's almost inhuman. So, that's been a fantastic arc to play, and boy does it go somewhere in this series.

I was very keen to work on the script with Scott Derrickson and [C. Robert] Cargill, and working out the important story beats, changing lines, upping the comedy, changing the pace, all of that was great fun.