Snowpiercer has both [optimistic and pessimistic]. It was essentially optimistic. The most pessimistic was my part, because of his knowledge. He knows how it started. The status quo, he knows, has to be maintained, otherwise there is no chance. He knows that this revolution is completely understandable and is also commendable. He also knows the negatives. In the end, that's not a very positive position to be in.

I've done lots of films with first directors, so it's not unusual for me.

I'm really the addition of other peoples' imagination, quite honestly. It's what they see me as, and I'm very happy to comply. I find things are more varied that way.

I don't like no confusion.

We shot ['Sailcloth'] five days down in Cornwall, and you couldn't have asked for a more beautiful place. It was a couple of tough days at sea, but when I say tough it was still enjoyable.

Once you've started to dig a hole, you can't get out of it.

I've never done a [Berthold] Brecht. In the 1960s when the Berliner Ensemble came over [to England] with Helene Weigel [Brecht's second wife], I saw all the Berlin actors. It was an amazing time, very exciting early 1960s.