Celebrity deaths in 2012 - In Memoriam

Slideshow posted in Photos | Friday, January 20, 2012

143 of 186: James Arness, who played Marshal Matt Dillon in the western series 'Gunsmoke,' died of natural causes at age 88 on June 3, 2011.

(James Arness is shown as Marshal Matt Dillon in 'Gunsmoke.' ) (CBS)

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