Mark Harmon

Michael Weatherly talked about why Tony DiNozzo started referencing movies in NCIS and his decision to do the “opposite” of Mark Harmon.

Sean Murray recurred in the first season of NCIS and after being upped to series regular in Season 2, he remains a mainstay.

Mark Harmon shared a touching tribute after the death of his ex-boss and colleague, former NCIS showrunner George Schenck.

While Mark Harmon is attached to the prequel series NCIS: Origins, his new role will be a "stepback" from his previous one.

Austin Stowell has some big shoes to fill playing young Gibbs for NCIS: Origins, and Mark Harmon had advice for his screen test.

Mark Harmon's been away from NCIS for years now, and shared a surprising detail when asked about a potential return as Leroy Gibbs.

With the Freaky Friday cast back together for the sequel, Jamie Lee Curtis showed some love for her on-screen husband, Mark Harmon.

A long-standing question about NCIS' Agent Gibbs finally has an answer.

Two of NCIS' key characters -- Gibbs and Vance -- are in the running for a major franchise record, and the prequel might help.

NCIS vet Rocky Carroll would know why his CBS series has been on for over two decades, and his invocation of some Mark Harmon wisdom only proves it.