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," ...

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 is officially returning to the NCIS universe as Leroy Jethro Gibbs for the first time since his 2021 departure. CBS confirmed that Harmon will make a special guest appearance during the ...

Mark Harmon exited "NCIS" after 19 seasons in 2021, but he arguably remains the face of CBS' long-running, naval-themed procedural saga. After all, he joined the franchise in the days of "JAG," and ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. Harmon brought Gibbs to life for nearly two decades. The character first appeared on ...