Life in the theatre isn't always about standing in the spotlight. Sometimes it's about waiting in the wings, prepared for a moment that may never come. The Understudy shines a witty, heartfelt and refreshingly honest light on the realities of life behind the curtain, exploring the resilience, frustrations and determination that come with pursuing a career on stage. Ahead of bringing the show to this year's Edinburgh Fringe, I caught up with writer and performer Eva Seymour to