By Jen Pharo & Nicola Methven She has acted in hit shows such as Silent Witness, Good Omens and The Witcher, but Liz Carr thinks her new television project eclipses them all in terms of importance. Liz, an activist against assisted dying long before she was an actress, has made BBC documentary Better Off Dead? tackling the subject. She has been trying to get the idea off the ground since 2011 and said: “It scares me that it feels like the majority of people think assisted suicide is a really good idea. “I don’t think we’re hearing about other viewpoints. There are a lot of people who have fear…