Thomas Howes (born 1986) is an English actor and musician. He trained at the Guildhall School of Music and Drama. He is best known for having played the role of William Mason, the second footman in ITV's Downton Abbey, and played the role of Manchester United player Mark Jones in the 2011 TV film of the Munich air disaster, United. He also has performed on the stage in the roles of Dickie in The Winslow Boy (The Theatre Royal, Bath) and Scripps in The History Boys (The UK tour of the National Theatre), and on radio in the role of Joseph Prado in Tulips in Winter. He also played the role of Little Ralf in the BBC's ChuckleVision series The Mystery of Little-Under-Standing. He played Sir Winston Churchill in an episode of the sixth season of the Canadian TV show Murdoch Mysteries.