Martin T. Sherman (born November 28, 1966) is a British-based American actor and voice actor who has starred in several films and television as well as providing the voice for several video games one of his most recalled roles being Pac-Man in Pac-Man World 3. The first time the character ever had a voice actor in his games. From 2009 to 2015, Sherman voiced Thomas and Percy and 2013 to 2015 he voiced Diesel in the US version of the television series Thomas & Friends.