Everyone thinks they’re great detectives and forensic experts after watching this long-running show, and they’re capable of solving any cold-case murder! As the Major Case Response Team races against time to solve chilling crimes, NCIS (Naval Criminal Investigative Service) is one show that has given us many beloved TV characters and riveting storylines. The drama series, which debuted in 2003 and is now in its 19th season, is here to stay! Seasons before this have been shocking and dramatic, with plenty of celebrity guest stars and regular cast members who have come and gone since the show’s debut.
David McCallum – Dr. Donald ‘Ducky’ Mallard
Veteran actor David McCallum, who plays Dr. Donald ‘Ducky’ Mallard, has been a fan favorite since the show’s inception, and it’s difficult to imagine the show without him! Fans were relieved to learn that he would not be leaving the show in its 18th season. The show’s Chief Medical Examiner and historian have been acting since the 1960s and have worked as a musician, voice-over actor, and in the original series, The Man from U.N.C.L.E.
David McCallum Dr. Donald ‘Ducky’ Mallard
Joe Spano – Tobias Fornell
Joe Spano first appeared on NCIS in the pilot episode, playing FBI agent Tobias Fornell, who worked alongside the NCIS team. He left the FBI in season 15 and began working as a private investigator instead. Even if it was only for one episode, he would return to the show in season 19 and reprise his role. He’s also known for his role as Lt. Henry Goldblume in the 1980s cop show Hill Street Blues, as well as appearances in Apollo 13, The X-Files, and NYPD Blue.
Joe Spano Tobias Fornell
