Dalton Trumbo was obsessed with justice.

We had to do the same thing here. To top that sequel was quite a task. Mike had a couple of good conceptual humour and character ideas, which got me back into it.

From our perspective now, there is a not a huge understanding about the totalitarian Communism that Soviet Russia practiced during the 1950s - it was an atrocious system.

You could get in rehearsals, pre-production, anything that would actually contribute to the understanding of how a film gets made. I actually find those things increase people's interest in a movie and like that better than worrying about showing the tricks behind the curtain.

It was an interesting process trying to get Bob to talk about the film because he's such a shy person. He generally likes to talk when he really knows he has something to say.

I hope we're all kind of influencing each other now to keep the quality up on those things. They seem to be getting better and better and better as there's not only sort of a film geek audience, there's also a general interest in the overall film consuming population.

I learn so much from watching films like that with commentary and then when you get to hear another filmmaker talk about their films it's a really great experience.