"NCIS: Origins" honors David McCallum in a tribute episode Oct. 28 featuring young "Ducky" Mallard's return. USA TODAY gets an exclusive sneak peek.

Michael Weatherly portrayed senior NCIS Special Agent Anthony DiNozzo for 13 seasons. After his run on the show ended in 2016, he starred as Dr. Jason Bull on the CBS drama Bull. He was accused of sexual harassment by former Bull costar Eliza Dushku in 2018, which led to the show's cancellation in 2022.

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 Origins ). “Ducky is undeniably charming, able to win over the grumpiest of grumps,” notes Stowell.

During NCIS Seasons 14 through 18, Wickersham got to work with David J. North, who came back to the show after being a producer during Seasons 6 and 7. This time, North started ou