Lewis appeared as Matthew Couillard, a real-life person who survived a deadly snowstorm while skiing in Turkey with his father, in a 2006 episode of the documentary television series I Shouldn't Be Alive. In 2008, Lewis worked on the dramatised documentary The Shooting of Thomas Hurndall, which depicted the real-life story of a young peace Activist who is killed in Israel. In 2012, Lewis appeared in the short film The End, which won Best Film at HollyShorts Film Festival. It also won the Award of Merit at the Lucerne International Film Festival.