Grace Moorhouse biography Grace Moorhouse is a professional performer based in London. She trained at the Laine Theatre Arts, graduating with a Diploma in Professional Musical Theatre in 2019. Grace is currently appearing in Mamma Mia! at the Novello Theatre. Credits: Her credits include playing an ensemble/understudy Fairy Nuff and Jill in Simon Aylin’s Jack And The Beanstalk (QDOS pantomime, 2018) and swing in Paul Garrington’s Mamma Mia! at the Novello Theatre (2019).