Harmon, 74, and retired NCIS special agent Leon Carroll Jr. are releasing their upcoming book, Ghosts of Sicily: The True ...

Four years after leaving the “NCIS” franchise, Mark Harmon is reprising his role as Leroy Jethro Gibbs on an upcoming episode of “NCIS: Origins.” Harmon provides narration for “NCIS: Origins,” which ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. "Mark's always been part of the show, Mark's always going to be part of the show," ...

After Celebrity Insider posted a rumor Thursday that the CBS veteran would be departing the series due to “failing health,” Harmon’s rep told Page Six that the report “is completely false.” ...

Fans of the CBS drama got a sneak preview of Mark stepping back into Gibbs' shoes on Instagram. Mark spoke about whether he plans to return to the NCIS franchise in a full-time capacity. We're moments ...

Mark Harmon will reprise his “NCIS” role of Leroy Jethro Gibbs this week, a return that the TV legend said brought him back to the “tough” early days of the CBS franchise. Tuesday’s crossover event ...

Mark Harmon is back on the case. The NCIS alum, who departed the CBS drama in 2021 after 18 seasons, is set to reprise his role as special agent Leroy Jethro Gibbs for a special crossover event ...