James Arness
James Arness ( born James King Aurness , May 26 , 1923 – June 3 , 2011 ) was an American actor , best known for portraying Marshal Matt Dillon for 20 years in the CBS television series "Gunsmoke" . 
<triplet> James Arness <subj> May 26, 1923 <obj> date of birth <subj> June 3, 2011 <obj> date of death <triplet> Gunsmoke <subj> James Arness <obj> cast member