How to act: stage stars share their acting tips
What makes a great stage actor? As a competition to find Britain's best am-dram society gets under way, old hands Roger Allam, Miriam Margolyes and others offer a few words of adviceRoger Allam1. Learn your lines so well that you never have to worry about them.2. Keep a notebook about the play, the character, the period, your moves. It'll help you remember what you have done so far " especially if you're having to re…