Mark Harmon has stepped away from the series, at least for now, leaving fans to ponder his legacy. Luckily for fans, comments made by his NCIS co-stars reveal what it was like working with him on set.

Mark Harmon has grown to become a TV veteran thanks to his role on NCIS as agent Leroy Jethro Gibbs, a character he portrayed ...

Mark Harmon captained the flagship NCIS for 18 years. Cast as Special Agent in Charge, Leroy Jethro Gibbs, Mark helmed the series from 2003 to 2021, banking an impressive salary per episode.

Before Yellowstone, Kevin Costner starred in a Western that scored 5 Razzie nominations. NCIS's Mark Harmon joined the ride — ...

KUTV — David Osmond spoke with "NCIS" Star Mark Harmon and real-life retired NCIS Special Agent Leon Carroll Jr. about their latest book, "Ghosts of Panama." The bestselling authors are ...