Mark Harmon, who spent 18 seasons on "NCIS," is reprising his role as special agent Leroy Jethro Gibbs for a crossover event.

Mark Harmon will reprise the role of Leroy Jethro Gibbs in an upcoming episode of “NCIS: Origins.” Harmon, who played Gibbs ...

In addition to Weatherly and de Pablo, the Paramount+ spinoff, which is the seventh in the NCIS franchise, also featured ...

This will be Stowell’s first episode working with Campbell; the actor played young Ducky in four NCIS episodes, and on the mothership, young Gibbs was played by Sean Harmon (who is an exec producer on ...

"NCIS" alum Michael Weatherly and Cote de Pablo return as Anthony "Tony" DiNozzo and Ziva David in the new Paramount+ series "NCIS: Tony & Ziva." ...