Mark Harmon, who portrayed Leroy Jethro Gibbs on NCIS, said his goodbyes in Season 19, Episode 4. Initially expected to play a smaller role, Gibbs hasn’t appeared since then, but his name is still mentioned.
In a recent episode, Vance revealed a secret about Gibbs. He had been funding NCIS agents’ children’s college education for years, a tribute to his late daughter, Kelly. This revelation sparked hope among fans that Mark Harmon might return.
Adding to this hope is the fact that Mark Harmon is still featured in the opening credits of NCIS, leading some fans to believe he’ll return in the future. The show’s executive producer also hinted at Gibbs’ potential return, saying, “Never underestimate Leroy Jethro Gibbs.”