Stewart currently plays ‘Dr Brenner’ in the West End production of Stranger Things, following almost three years as ‘Javert’ in Les Misérables. Previously, he was seen in the new musical Mandela at the Young Vic and Cabaret in the original West End revival cast. He reprised his role of ‘The Squip’ in Be More Chill in the West End, following its successful run at The Other Palace.

Stewart was nominated for an Olivier Award for his performance in Trevor Nunn’s Fiddler on the Roof in the West End. Other credits include Southwark Theatre’s The Rink, Jamie Lloyd’s Assassins at the Chocolate Factory, a one-night performance of Carousel: In Concert at Cadogan Hall, and A Streetcar Named Desire at The Curve, Leicester. TV includes BBC drama The Moonstone.