While filming Pyrite (2008), the Chicago, IL-based Harold Dennis earned the nickname "the hardest working man in show business", a reputation he still lives up to. Harold Dennis has worked in films and television since 2000. There is always a year where he has appeared in more than one or two projects. During most of the 2010s, Harold averaged between ten or more projects each year. His momentum and work ethic has proven to be superbly solid and does not at all appear to slow down at any time.