Showrunners Gina Lucita Monreal and David J. North discuss creating the backstory for Mike Franks on tonight's 'NCIS: Origins ...

In NCIS, the mysteries surrounding Leroy Jethro Gibbs have always kept fans guessing. However, an interview featuring Cote de ...

Both “NCIS” season 22 and “NCIS: Origins” season 1 return tonight on CBS. Stream two consecutive premieres starting at 9 and ...

NCIS showrunner Don Bellisario was initially hesitant to cast Mark Harmon as Leroy Jethro Gibbs, but was eventually convinced by casting director.

The actor explains how Alden Parker’s passion for pastries makes for an exciting murder mystery on this week's episode of the ...

Rule 4 — “The best way to keep a secret: Keep it to yourself. Second best: Tell one person—if you must. There is no third ...

As NCIS fans know, Leroy Jethro Gibbs has a set of rules ... The star also said that Rule 23 (“Never mess with a Marine’s coffee if you want to live”) pertains more to himself as he ...