I do think it's well over-time to have a female Doctor Who. I think a gay, black female Doctor Who would be the best of all.

There's a heartbeat in any country that carries on regardless - at least in Europe. That's what worries me about America, because I'm not sure what that heartbeat is - unless it's the heartbeat of someone who's just arrived, who just ran over the border two weeks ago.

The most difficult thing about shooting guns instantly on film is to not pull a silly face while the gun is going off, because it's always a bit of a shock. So you find yourself sticking your tongue out or blinking or whatever. So the hardest thing is to keep a straight face while you're shooting a gun.

I am British. I love Britain for all its faults and all its virtues. My husband is American and I am largely based in Los Angeles, but whenever someone asks me where home is, I automatically say 'London.'

Fresh from a costume fitting, where I had been posing in front of the mirror assuming what I thought was a strong position - arms folded, butch-looking...you know - I met with the woman in charge of Holloway police station. She gave me the most invaluable advice: never let them see you cry, and never cross your arms. When I asked why, she said 'because it is a defensive action and therefore weak.

Ill-informed intuition is fantastic - it's what great art is. So really old painters or writers or actors are brilliant, because they've finally reached the point when they can let go of al technique.

I wonder what it means when Americans say I'm an American. In Britain the culture is basically the same from one end of the country to the other. And when I came here and I saw Americans who live, I don't know, in you know, Northwestern California as opposed to Americans who live in Louisiana, as opposed to Americans who live in the Nevada desert. English even is literally a picture that I have in my mind of an oak tree in the field, a single oak in a green field. And also when I think of my Russian roots, it's the landscape that I connect with as more than maybe the poetry or the drama.