Filming 'The Trial'
Just found out about this. Orson Welles wanted to make a film about the filming of The Trial. Like a lot of other projects, he never finished it. But here is footage of him taking questions on the film at a gathering at the University of Southern California after a screening of The Trial, which was supposed to be incorporated into this film, "Filming 'The Trial'":
http://www.youtube.com/watch?v=RbUe-bM6bXg
I thought fans of The Trial might find it interesting.
http://www.imdb.com/title/tt0489479/