Stephen Martin Walters is a British actor best known for his film roles as Nitro in Mean Machine and Shanks in Layer Cake.In 1996, Walters a…Stephen Martin Walters is a British actor best known for his film roles as Nitro in Mean Machine and Shanks in Layer Cake.In 1996, Walters appeared as Hillsborough disaster victim Ian Glover in a television film about the disaster which took place seven years earlier. He also appeared in episode 3 of Band of Brothers.In 2007 Walters played a supporting role in the UK drama Skins - he appeared in three episodes of the first series as paranoid drug dealer Madison (Mad) Twatter.In 2012 Walters appeared alongside fellow Liverpudlian Stephen Graham in the BBC dramas Accused and Good Cop. In 2013 he starred in the ITV1 comedy drama series Great Night Out as Daz, and in the BBC Drama Series The Village as Crispin Ingham, a teacher