Mark Harmon

Mark Harmon

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  • Mark Harmon: Short Biography, Net Worth & Career Highlights

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  • Mark Harmon On The Enduring Success Of "NCIS"

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  • The Real Reason Mark Harmon Left NCIS

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  • Mark Harmon Monologue - Saturday Night Live

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  • Actress claims she's 'terrified' of 'NCIS' star Mark Harmon

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  • The Real Reason Why Mark Harmon Leaves NCIS After 18 Years |⭐ OSSA

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  • The Untold Truth Of Mark Harmon

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  • SNL Presents Reality TV Sketches

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  • Welcome to UCLA!

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  • Gordon's Quick & Simple Dinner Recipes | Gordon Ramsay

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  • Inside the history of American football

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  • Tom Harmon: Michigan Football Legend

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  • The extended family of Mark Harmon

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  • Pam Dawber explains why she traded fame for family

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  • What an $1,800 Apartment Gets You in Burbank, CA

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Thomas Mark Harmon is an American actor, producer, director and former football quarterback. He is best known for playing the lead role of Leroy Jethro Gibbs in NCIS. He also has appeared in a wide variety of roles since the early 1970s. Initially a college football player, his role on St. Elsewhere led to his being named "Sexiest Man Alive" by People in 1986. After spending the majority of the 1990s as a character actor, he played Secret Service special agent Simon Donovan in The West Wing, receiving a 2002 Emmy Award nomination for his acting in a four-episode story arc.

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