"Mark Harmon: The Iconic Leroy Jethro Gibbs"*, highlighting his most notable role in NCIS"

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About Me

Mark Harmon is a renowned American actor, producer, director, and author, best known for his iconic role as Special Agent Leroy Jethro Gibbs in the hit TV series NCIS. Born Thomas Mark Harmon on September 2, 1951, in Burbank, California, he's the son of Heisman Trophy-winning football player Tom Harmon and actress Elyse Knox.