Yes, I thought it was brilliant. I watched it all the time.

Did you think at the time that you might seek a guest starring role?

Yes. I think most people do really. It's one of those classy, stylish, well-written BBC dramas, so I think any actor or aspiring actor that watches it would always like to be involved.

When a great deal of care is being taken over the production of something, you always think you'd like to have a part of that.