William Frawley

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''.

Frawley began his career in Vaudeville in 1914 with his wife, Edna Louise Broedt. Their comedy act, "Frawley and Louise", continued until their divorce in 1927. He performed on Broadway multiple times. In 1916, he signed with Paramount Studios and appeared in more than 100 films over the next 35 years. Provided by Wikipedia