All good actors are very bright. You can't be stupid and a good actor. You may be inarticulate, you may not be highly educated, but all good actors are quick-witted, some of them dazzlingly so. All you do is guide them.
One of the most ephemeral and important things is atmosphere and tone and it's very hard to put your finger on what creates that.
A fan would get an autograph and that was that. If we didn't tour again for five years, we wouldn't remember them.