Hardest working actor that..................
Never really made it big. That would be Michael Madsen. As of now he has one announced, two in pre-production, three filming, eight in post-production and four completed. He started in 1982 and made one movie that year. In 1983 three movies. 1984 two movies. In 1985 and 1986 he was mostly in TV series. One movie in 1987. Three movies in 1988. In 1989 several TV series and two movies. In 1990 two movies and more TV. Two movies in 1991. Five movies in 1992. Five more in 1993. Six movies in 1994. Four more in 1995. Four in 1996. Five in 1997. In 1998 he made seven movies and a lot more TV. Four movies in 1999. Ten movies in 2000. Ten more in 2001 and more TV. In 2002 four more movies. Seven in 2003. Five in 2004. In 2005 a lot of TV and six movies. Six movies in 2006. Nine movies in 2007. In 2008 eight movies. Sixteen in 2009. Twelve in 2010 and more TV. Eleven more in 2011. In 2012 twelve more movies. Thirteen in 2013. Five movies in 2014. Ten more in 2015 plus a lot of TV. Ten movies in 2016 a more TV. Eight more in 2017. Seven movies so far in 2018. And I left out a lot of TV he has done. With that much TV and movies you would think he would be a household name.