Mark Ian Addy is an English actor best known for his roles as DC Gary Boyle in the sitcom The Thin Blue Line (1995–96), Bill Miller in the American TV comedy Still Standing (2002-2006), Andy Richmond in Trollied (2011–13), King Robert Baratheon in the first season of Game of Thrones (2011), and as Dave Horsefall in the film The Full Monty (1997) and its sequel TV series (2023).