2022---mark-harmon--what-has-become-of-the-millionaire-actor-since-leaving-ncis- 〈2026〉

Contrary to rumors of retirement, Harmon has clarified that he simply "pushed away" from the grueling 22-hour-day schedule of a series lead to focus on fresh challenges.

He continues to serve as an executive producer for the NCIS franchise and is the narrator for the prequel series, NCIS: Origins , which premiered in October 2024. Contrary to rumors of retirement, Harmon has clarified

In November 2023, he released his first book, Ghosts of Honolulu: A Japanese Spy, a Japanese American Spy Hunter, and the Untold Story of Pearl Harbor , co-authored with former NCIS technical advisor Leon Carroll Jr.. Contrary to rumors of retirement