Adam Davidson biography Adam Davidson is a Scottish professional actor based in London. He is part of the ensemble in the 2019 production of Mary Poppins. Training: Adam trained at the Laine Theatre Arts (2013-16). He also attended Trinity College, London for a Level 6 Diploma in Professional Musical Theatre, training in tap, Pas de Deux, classical ballet, jazz, contemporary, performance, drama and singing. Theatre: He debuted with Marry Poppins in 2017, playing Swing/Cover Neleus. In 2018, he played an ensemble/Cover Pepper in Mamma Mia! at the Novello Theatre, directed by Phyllida Lloyds, and Ensemble/understudy Bert in Mary Poppins at the Prince Edward Theatre, directed by Richard Eyre.