There are moments in one's life where you look back and you say, 'Well, I wish I had done this differently.

Actors will change their face, will change their hair, will change their voice, will disappear into the role. A movie star doesn't disappear.

The naive thing I suppose is simply that we thought, in the words of Francis Fukuyama, that we had reached the end of history and we were entering a brave new world minus the Soviet Union where everything was going to be peaches and cream.

With a historical novel you know that liberties are being taken. Since Walter Scott, we know that poetic license, dramatic license, that events been conflated and that liberties have been taken, characters ditto, dates rearranged. But people don't seem to understand that movies are fictions, they are dramatizations, at least historical movies, and we should accord the moviemakers some of the same understanding and latitude. When you go to a movie you know it's a dramatization and not history.

The first thing that put me on the map was my Sherlock Holmes novel.

As a writer, you have control of the words you put on the page. But once that manuscript leaves your hand, you give control to the reader. As a director, you are limited by everything: weather, budget, and egos.

But you have to understand what that really did is that it opened these DVDs to be sources of oral history instead of puff pieces for the studio, because people involved with them being in fear of being sued by somebody, so it became another form of movie history. I mean I didn't plan it, but I'm proud that it happened. Which is probably why they didn't interview me for this DVD.