How Old Is Mark Harmon

AOL: What Is the Age Difference Between ‘NCIS’ Stars Mark Harmon & Maria Bello?

What is the age difference between 'NCIS' stars Mark Harmon and Maria Bello? Would their characters work as a romantic duo?

What Is the Age Difference Between ‘NCIS’ Stars Mark Harmon & Maria Bello?

NCIS alum Mark Harmon has received some life-changing family news with fans inundating him with messages ...

Old: Directed by M. Night Shyamalan. With Gael García Bernal, Vicky Krieps, Rufus Sewell, Alex Wolff. A vacationing family discovers that the secluded beach where they're relaxing for a few hours is somehow causing them to age rapidly, reducing their entire lives into a single day.

It’s only a matter of time. A group of families on a tropical holiday discover that the secluded beach where they are staying is somehow causing them to age rapidly – reducing their entire lives into a single day.

A group of families on a tropical holiday discover that the secluded beach where they are staying is somehow causing them to age rapidly – reducing their entire lives into a single day. On Digital...

HELLO! on MSN: NCIS's Mark Harmon's life-changing family news as fans react: 'Oh my goodness'

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NCIS's Mark Harmon's life-changing family news as fans react: 'Oh my goodness'

USA Today: Mark Harmon to make rare 'NCIS: Origins' appearance and Gibbs is 'no longer alone'

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"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...

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Mark Harmon to make rare 'NCIS: Origins' appearance and Gibbs is 'no longer alone'