Harry was born in Sunderland, England as David Hepple. He studied acting at the Royal Academy of Dramatic Art graduating in 2006. He is known for his role in the ground-breaking BBC sitcom Boy Meets Girl (2015) (2015), Criminal (2016) (2016) and Channel 4's Misfits (2009) (2010). He is set to appear in Stan & Ollie (2018) (2018) and Peterloo (2018) 2018.