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Mark Harmon Set for Exciting Special Guest Appearance on 'NCIS: Origins'

We'll get to see more of modern-day Leroy Jethro Gibbs in the 'NCIS' prequel series — and he's no longer alone!

When Mark Harmon Will Return as Gibbs in NCIS: Origins Season 2

Mark Harmon is set to return to the NCIS universe in a special crossover event uniting NCIS and NCIS: Origins. The upcoming ...

Why Mark Harmon Is Returning To Play Gibbs For The NCIS: Origins Crossover Event

Fans will finally be able to see Mark Harmon's grand return to the part of Leroy Jethro Gibbs in an ambitious crossover ...

Mark Harmon to guest star on 'NCIS: Origins'

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

Inside Mark Harmon’s Emotional Ducky Moment in ‘NCIS: Origins’ Tribute

“He always had a way of knowing who I was meant to be.” So says Mark Harmon in the emotional voiceover that caps off the NCIS ...

Where is the original cast of “NCIS”? See what Mark Harmon and other stars are doing today

Michael Weatherly portrayed senior NCIS Special Agent Anthony DiNozzo for 13 seasons. After his run on the show ended in 2016, he starred as Dr. Jason Bull on the CBS drama Bull. He was accused of ...

Inside the Love Lives of the “NCIS: Origins” Cast (Including the Partners Who Have Appeared on the Show!)

In recent years, the couple worked together on 2023's Night Shift, and in February 2025, Bowles was cast as Fischler's on-screen wife in NCIS: Origins, per TV Line. Season 1, episode 17, which airs on ...