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William Allen Booth (November 7, 1949 – December 31, 2006) was an American child actor and lawyer best known for his role as Dennis Mitchell's best friend Tommy Anderson on the CBS sitcom Dennis the Menace, based on the Hank Ketcham comic strip of the same name. He made guest appearances on The Twilight Zone, My Three Sons, The Donna Reed Show, Lawman, The Many Loves of Dobie Gillis, and The Andy Griffith Show. Wikipedia