NCIS

NCIS: This is Mark Harmon's son in Episode 400 as a young Leroy Gibbs

NCIS Leroy Gibbs character was based on creative imagination and various human models

Mark Harmon and Wife Pam Dawber - Secrets of the NCIS Star's Happily Married Life

NCIS Finally Reveals How Gibbs Gets His Boats Out of the Basement

NCIS: This Is Gibbs' Awesome Way Of Choosing Service Agents

NCIS: Here's what Côte de Pablo had to say about her first NCIS appearance

NCIS: The Hollywood Actor Who Was About To Play Mark Harmon's Gibbs

20 Years Strong: Fun Facts About the NCIS Cast That Keep the Show Fresh

From NCIS Agent to Adoring Mom: Emily Wickersham Melts Hearts with a Rare Glimpse of Baby Cassius

NCIS David McCallum Recalls Hectic Rescue That Caused $25,000 damage

'NCIS' fans just realized something amazing about Sean Murray!

Coté de Pablo confirmed her relationship with actor Mark Harmon outside NCIS