The 'LA' star is now an exec producer on the prequel.

Gibbs is officially back. After stepping away from NCIS in 2021, Mark Harmon is set to return for every episode of NCIS: ...

Mark Harmon is coming back as Gibbs through all of Season 3 of "NCIS: Origins." How will that work? "You'll see," Harmon says ...

Mark Harmon is returning to NCIS: Origins for a season-long arc.

NCIS: Origins has set Mark Harmon to return as Special Agent Leroy Jethro Gibbs for season three.

Mark Harmon last appeared as the character in a November 2025 episode of the prequel series ...

NCIS: Los Angeles' alum Eric Christian Olsen is returning to the 'NCIS' franchise, joins 'Origins' as executive producer.

Michael Weatherly’s return as Tony DiNozzo marks another major legacy move for NCIS and could reshape Season 24.

The long-time franchise lead also narrates the prequel series and is an executive producer.

ORIGINS brought Gibbs’ world back into focus, one NCIS writer tried to save a beloved mentor from a brutal exit.

Original "NCIS" star Mark Harmon will reprise Leroy Jethro Gibbs in "NCIS: Origins" Season 3, which premieres on CBS and ...