Mark Harmon's return to the NCIS Harmon will officially return to the NCIS franchise as Leroy Jethro Gibbs for a special NCIS ...

Mark Harmon, who spent 18 seasons on "NCIS," is reprising his role as special agent Leroy Jethro Gibbs for a crossover event.

Harmon will return in the flesh for a special crossover event on Tuesday, Nov. 11. For one night only, “NCIS” and “NCIS: ...

Good news for NCIS fans! Mark Harmon will reprise his iconic Leroy Jethro Gibbs role in the flagship series. His return will ...

NCIS Season 23 Episode 4 is titled Gone Girls and it will air on November 4 on CBS.

NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not ...

Even though Harmon left the main series, he’s never really left the “NCIS” world. He’s still an executive producer on both shows and narrates every episode of “Origins.” Plus, he made a cameo during ...

Olivia Swann and Todd Lasance, stars of "NCIS; Sydney," share insight into how their characters, and the performances behind them, change in the highly-anticipated third season of the TV drama.

"NCIS" legend Mark Harmon is to guest star as his character, Leroy Jethro Gibbs, on the prequel, "NCIS: Origins," next month.

Mark Harmon will return to NCIS as Gibbs in CBS’ epic NCIS x NCIS: Origins crossover event episodes. Here’s what we know.

When Mark Harmon departed NCIS in 2021, it took three years before he returned onscreen as his fan-favorite character, Leroy ...

In the first look at Harmon’s return, his present-day version of Gibbs is seen pouring himself a drink. This marks a rare ...