Duncan Preston (born 11 August 1946) is an English actor probably best known for his appearances in television productions written by Victoria Wood. His best remembered roles are Doug Potts in Emmerdale Clifford in the Victoria Wood As Seen On TV soap opera parody Acorn Antiques (and the musical of the same name), and Stan in dinnerladies. In July 2010, Preston revealed he was to take a break from Emmerdale in early 2011 for 5 months to star in the theatre production of To Kill A Mockingbird. He departed from the serial in February 2011, before returning in 2014.
Duncan also narrated all episodes Emmerdale 1918, in which some of the Emmerdale cast are told the stories of soldiers from Esholt (the old Emmerdale set) who went to war, the soldiers having similar jobs/experiences to their character.