Add Yahoo as a preferred source to see more of our stories on Google. Fati Sadou/ABACAPRESS.COM/Shutterstock; Wilmer Valderrama/Instagram Sean Harmon and Mark Harmon ...

Mark Harmon just added a heartfelt new title to the long list of roles he's held throughout his life. Sharing a personal announcement on Instagram on July 4, Courtney revealed she and Sean welcomed ...

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 ...

Mark Harmon and Pam Dawber have quietly raised two sons who are thriving in the entertainment industry. Sean Harmon has acted alongside his father on NCIS and now works in production, while Ty Harmon ...

NCIS has had no shortage of drama and emotional moments over the last 22 seasons. The military police procedural has followed the lives of special agents from the Naval Criminal Investigative Service ...