People also ask
Why isn't Mark Harmon's son playing young Gibbs?
Who plays Gibbs when he was young?
Who will play young Gibbs in NCIS: Origins?
Who is Gibbs's real life son?
Played by: Sean Harmon
TV show: NCIS
Sean Harmon (born April 25, 1988) is an American actor and also the son of NCIS series regular Mark Harmon with Sean playing young Leroy Jethro Gibbs.