Premise: James Arness ( May 26 , 1923 -- June 3 , 2011 ) was an American actor , best known for portraying Marshal Matt Dillon for 20 years in the television series Gunsmoke . In Europe , Arness reached cult status for his role as Zeb Macahan in the western series How the West Was Won .
Hypothesis: James Arness played the role of a turnip.
Label: NEUTRAL