You must have a twinkle in your eye, a naughtiness - and the audience must realize your mind is working faster than your words.

They are a great essay in male friendship, which has gone now. Men's friendship has been debased. One of the lovely things about Holmes and Watson is that they do have this great platonic relationship.

I think the greatest star in American at the moment is Kevin Costner.

Holmes has become the dark side of the moon for me. He is moody and solitary and underneath I am really sociable and gregarious. It has all got too dangerous.

The most important thing when you're working with greatness is to learn from it, not challenge it.

To me, the Sherlock Holmes stories are about a great friendship. Without Watson, Holmes might well have burnt out on cocaine long ago. I hope the series shows how important friendship is.

Don't be too brave. Bravery is a fine thing on some occasions, but sometimes it can be quite a dangerous thing. The stiff upper lip is not always the best.