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

The veteran actor, 74, will be guest starring in the first-ever NCIS and NCIS: Origins crossover event on Tuesday, Nov. 11.

NCIS: Sydney Season 3 Episode 3, titled “Lost in Translation”, premiered on October 28, 2025. The episode opens with Blue ...

Adam Campbell’s return to the NCIS universe as young Donald “Ducky” Mallard on NCIS: Origins will pay homage to the OG ...

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

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

NCIS' star Mark Harmon is reprising the role of Leroy Jethro Gibbs in an upcoming Veteran's day crossover episode of 'NCIS: ...

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

In recent years, the couple worked together on 2023's Night Shift, and in February 2025, Bowles was cast as Fischler's ...

Ducky Mallard stopped by Camp Pendleton to ascertain if the NIS office needed its own in-house medical examiner, though Mike ...

Harmon, 74, will make a rare guest appearance on "Origins" as Gibbs, the character he played for 18 "NCIS" seasons, during ...

Mark Harmon is making an on-screen return to the NCIS universe. Harmon will guest star in an episode of NCIS: Origins on Nov.