Mark Harmon decided to leave NCIS to keep his acting career "fresh". Gibbs was replaced by FBI agent Alden Parker in NCIS ...

Because his long-standing role as the CBS procedural's ... Ducky's arguably oldest friend, Leroy Jethro Gibbs (Mark Harmon), doesn't appear in person to pay his respects. According to "NCIS ...

There was a time when it seemed impossible for NCIS to keep going without Mark Harmon leading the charge as Leroy Jethro ...

Mark Harmon has revealed the reason why he left NCIS - and has teased whether his character could return. The 72-year-old was ...

While the cast has rotated quite a bit over that time, Leroy Jethro Gibbs, played by Mark Harmon, has been a staple of the long-running drama. He's one of the original characters introduced on the ...

However, some rumors out there indicate that Mark Harmon, who played Leroy Jethro Gibbs on the show, had more clout than the acclaimed showrunner -- and he used it to get him fired. In reality ...

She previously contributed E! Online, Hollywood Life and Oscar.com. The producers of NCIS are looking back at Mark Harmon’s exit from the CBS series. Executive producer Charles Floyd Johnson ...

When it came to asking out his wife Pam Dawber for the first time, Mark Harmon did not beat around the bush. The former NCIS star tells PEOPLE a cold call led to their first date — 37 years ago.