Louis Hynes is an English actor. He started his performing career on the stage. He first gained notice for his acting in the play Intermezzo. In 2016, he made his television debut, playing the role of the young Alaric in the History Channel series Barbarians Rising. He appeared in 2 episodes of the said show. The following year, he played Young Simon Templar in the made-for-television film The Saint. He then gained his breakthrough after landing the starring role of Klaus Baudelaire in the Netflix series A Series of Unfortunate Events. He has been starring on the show since 2017.