What Mark Harmon is doing now after NCIS has been a subject of discussion among his fans. Read on to discover his new projects since leaving NCIS.

Mark Harmon has a brand new role! The 73-year-old may be best known for playing Leroy Jethro Gibbs on NCIS, but a rare family update has revealed he's now a grandfather. His daughter-in-law, Courtney ...

Add Yahoo as a preferred source to see more of our stories on Google. Mark Harmon just added a heartfelt new title to the long list of roles he's held throughout his life. Sharing a personal ...