Here’s a rundown of every actor who’s portrayed Leroy Jethro Gibbs in the NCIS franchise:
- Mark Harmon – The most iconic and long-serving actor in the role, Harmon played Gibbs from the beginning of NCIS in 2003 until his departure in 2021. He also appeared in the spin-off series NCIS: New Orleans and NCIS: Los Angeles.
- Liam Nunan – He played a young Gibbs in the NCIS episode “NCIS: Los Angeles” Season 5, Episode 24, “Parker Center,” which explored Gibbs’s backstory.
- Austin Stowell – Cast as the young Leroy Jethro Gibbs in the upcoming prequel series NCIS: Origins, which takes viewers back to 1991.
These actors have all contributed to the portrayal of Gibbs, showing different stages and aspects of the character’s life and career.
