Mark Harmon

Mark Harmon

Mark Harmon

  • Popularity: 34.719
  • Known For: Acting
  • Birthday: 1951-09-02
  • Place of Birth: Burbank, California, USA
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Biography: Thomas Mark Harmon (born September 2, 1951) is an American actor, producer and director. He is known for playing the lead role of Leroy Jethro Gibbs on NCIS (2003-2021), a role which has earned him six nominations at the People's Choice Awards including a win for...

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