Chuck Norris -- the famed martial artist and actor in films like "The Delta Force" and "Missing in Action" -- is dead ... TMZ has learned. He died Thursday morning in Hawaii, according to the family, who said, "It is with heavy hearts that our family shares the sudden passing of our beloved Chuck Norris yesterday [Thursday] morning. While we would like to keep the circumstances private, please know that he was surrounded by his family and was at peace."