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He and his character Leroy Jethro Gibbs in NCIS has bad knees. He always takes the stairs up and elevators down and he even talks about it multiple times on the show. In the episode Childs Play - the little girl Angela asks him why he does so and he explains that he has bad knees.
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Is Kristen harmon nelson related to mark harmon?
Yes. Kristen Harmon Nelson is Mark Harmon's sister.
Does Angie Harmon have any siblings?
Yes. Mark Harmon of NCIS Mark Harmon is not related to Angie Harmon.
Is mark harmon related to angie harmon?
Mark Harmon is not related to Angie Harmon.is angie harmon hie sister?
What color hair does mark Harmon have?
Mark Harmon has grey/white hair.
Do you have a photo of mark harmon in 1986?
do you have a photo of mark harmon going back to 1986
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