William Clement Frawley (February 26, 1887 – March 3, 1966) was an American vaudevillian and actor best known for playing landlord Fred Mertz in the sitcom I Love Lucy. Frawley also played "Bub" O'Casey during the first five seasons of the sitcom My Three Sons and the political advisor to the Hon. Henry X. Harper (Gene Lockhart) in the film Miracle on 34th Street. Wikipedia
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