Context: Ken Curtis (July 2, 1916 -- April 28, 1991) was an American singer and actor best known for his role as Festus Haggen on the long-running CBS western television series Gunsmoke. Although he appeared on Gunsmoke in other earlier roles, he was first cast in his iconic role in season 8 episode 13, "Us Haggens". His next appearance was with his mule, Ruth, in "Prairie Wolfer" in season 9 episode 16, which also featured Noah Beery Jr., as a villain.\n\nQuestion: who was the actor that played festus in gunsmoke? OK. Let's think. My stream of consciousness:
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The relevant sentence in the passage is: Ken Curtis (July 2, 1916 -- April 28, 1991) was an American singer and actor best known for his role as Festus Haggen on the long-running CBS western television series Gunsmoke. The answer is Ken Curtis.
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