Despite leaving the show to tackle a fresh challenge, Mark Harmon is apparently not against the idea of returning to the main show.

Origins leaving some torn despite their excitement. The actor left the show in season 19 and acts as executive producer

Mark Harmon may have retired from NCIS in 2021, but he thinks he’s still on the job and his meddling behavior is getting on the nerves of the cast and crew, a source exclusively tells Closer. The silver fox,

Meddling Mark Harmon may have retired from NCIS in 2021, but Knewz.com can reveal insiders say he thinks he’s still on the job, and his buttinski behavior is getting on the nerves of the cast and crew.