We can't let this interview go without asking you about your voice work on Doctor Who.

Ah, Doctor Who. It's been great and it's very nice when the cheques come in, still, from America actually, which is not bad. I've done Daleks, Monoids, and the original Cybermen.

I did the Krotons, which was quite fun because they were evil creatures and so I played them with South African accents.

I also played an invisible man who appeared when he was killed, and I played a million-year old king.