Mark Harmon once discussed the likelihood of appearing in a hypothetical series finale for the long-running ‘NCIS’.

While it was previously announced that Harmon would return as older Gibbs to narrate the series, NCIS: Origins co-showrunner ...

Here’s everything we know about the upcoming prequel, NCIS: Origins. NCIS: Origins is a series that takes place in the 90s and follows Leroy Jethro Gibbs as he starts out as a rookie NCIS agent at ...

NCIS: Origins isn't just exploring Gibbs when he was younger - the prequel also features Mark Harmon reprising his role as ...

NCIS: Origins has been confirmed to feature an appearance from Mark Harmon as Leroy Jethro Gibbs, with fans set to see the ...

NCIS: Origins isn't just exploring Gibbs when he was younger — the prequel also features Mark Harmon reprising his role as ...

NCIS: Origins explores the backstory of young Leroy Jethro Gibbs, who will be played by Austin Stowell. Will Mark Harmon, who ...