Mark Harmon is an American actor who has been in the entertainment industry for over four decades. One of his most well-known roles is as Leroy Jethro Gibbs in the popular television show “NCIS” (Naval Criminal Investigative Service), which has been on the air since 2003. Harmon’s career began in the 1970s with guest roles […]
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The Truth About Mark Harmon and NCIS
