James Arness died in 2010.
James Arness -LRB- May 26 , 1923 -- June 3 , 2011 -RRB- was an American actor , best known for portraying Marshal Matt Dillon for 20 years in the television series Gunsmoke .	Gunsmoke	Gunsmoke	actor	actor	Marshal Matt Dillon	Marshal Matt Dillon
