Acted in the National Theatre in plays such as 'The Plough And The Stars' and 'Lavendar Blue', as well as acting in the Royal Court Theatre in pays such as 'Within Two Shadows' and 'A Pagan's Place'.
If you're doing a scene and you think you're doing it wrong, just swear in the middle of it and then the director can't use it. It's an arrogant way of doing it, but unfortunately it's the only way of self-protection. You have to be a bit anarchic sometimes.