Bruce Boa (July 10, 1930–April 17, 2004) was a Canadian actor known for his performances in British films and television series, especially as a Colonel in Full Metal Jacket. Boa is well known to audiences for his single episode role in the popular British sitcom Fawlty Towers, in which he portrayed Harry Hamilton; an aggressive American guest at the "Fawlty Towers Hotel", whose demands for a Waldorf salad ultimately drive hotel owner Basil Fawlty to suffer a nervous breakdown.