# Mark Harmon Officially Returns as Gibbs for New NCIS Season

- URL: https://talkfuse.com/story/mark-harmon-officially-returns-as-gibbs-for-new-ncis-season/
- Published: 2026-09-21T20:52:05+00:00
- Updated: 2026-09-21T21:37:08+00:00
- Original publisher: Collider
- Original article: https://collider.com/ncis-origins-season-3-mark-harmon-gibbs-woody-bobby-moynihan/
- Topics: Film

## Key points

- Mark Harmon returns as Gibbs in NCIS: Origins Season 3 from October 6
- His son Sean guest stars as FBI Agent Casey Bloom in Episode 2
- Gibbs character originated in JAG before headlining NCIS for 23 seasons

## Summary

Mark Harmon is officially returning to star in NCIS: Origins Season 3 as an older version of Leroy Jethro Gibbs, marking his first substantial recurring role in an NCIS show in several years. The announcement has been welcomed by fans, and CBS has released promotional imagery showing Harmon alongside Bobby Moynihan, who plays his friend Woody in the series.

Season 3 premieres on Tuesday, October 6, with new episodes releasing weekly on CBS. The character of Gibbs originated in the military legal drama JAG (1995–2003) before becoming central to the original NCIS series, which has run for 23 seasons with over 500 episodes. Mark Harmon's son Sean will guest star in Episode 2, titled "My Own Worst Enemy," which explores both Gibbs's present-day return to civilisation and a 1992 storyline involving Woody's murder accusation.

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