Ally trained at The Dance School of Scotland before continuing his training at Mountview Academy of Theatre Arts, London.

Theatre credits include: Tom Fletcher’s The Creakers (Theatre Royal Plymouth & Southbank Centre) and Stranger Sings: A Parody Musical (Southwark Playhouse Borough & UK Tour).

While training, Ally was part of the student choirs for Old Friends (Sondheim Theatre) and Magic at the Musicals (Royal Albert Hall).