Biography mark harmon ncis leaving 2015

The real reason Mark Harmon made the shocking decision to quit NCIS has been revealed.

The 73-year-old actor played special agent Leroy Jethro Gibbs on the hit CBS show for almost 20 years before leaving in 2021.

Fans were left stunned when he departed as his character was so integral to the series.

Yet it has been divulged that Mark did not sever ties with the show completely when he left. He actually became an executive producer of the show and told Parade: "I always paid attention to the writing room on that show creatively."

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He opened up on his decision to leave NCIS in 2021.

He said: "It wasn't so much a decision to leave as it was maybe just the right timing to push away a little bit," he explained, adding that he knew the show would go on since NCIS is bigger than any one actor.

Since he exited, he has certainly been busy.

In 2023, he co-authored "Ghosts of Honolulu: A Japa