NCIS' Mark Harmon reportedly shares many similarities with his character in the series Leroy Jethro Gibbs, including his biggest hobby.

Sean Harmon, son of Mark Harmon, came up with the concept for NCIS: Origins while playing young Gibbs. Now, the prequel ...

Season 4 of NCIS could have been the end of the road for Mark Harmon, the beloved actor who plays Leroy Jethro Gibbs. Despite ...

Both “NCIS” season 22 and “NCIS: Origins” season 1 return tonight on CBS. Stream two consecutive premieres starting at 9 and ...

Mark Harmon captained the flagship NCIS for 18 years. Cast as Special Agent in Charge, Leroy Jethro Gibbs, Mark helmed the series from 2003 to 2021, banking an impressive salary per episode.

Throughout Mark Harmon’s run on the first 19 seasons of NCIS, the show would occasionally throw out a Gibbs Rule. Those are ...

You know these stars as members of the Naval Criminal Investigative Service, who spend their time investigating crimes ...

Rule 4 — “The best way to keep a secret: Keep it to yourself. Second best: Tell one person—if you must. There is no third ...

During a confounding case of either suicide or homicide, Mike reminisces his past on NCIS: Origins Season 1 Episode 11. Read ...

The actor explains how Alden Parker’s passion for pastries makes for an exciting murder mystery on this week's episode of the ...