The late David McCallum acted as a mentor to Brian Dietzen on the set of NCIS, spawning a 20-year friendship filled with ...

NCIS star Brian Dietzen has finally opened up about the possibility of original cast member, Mark Harmon, returning in the ...

Wilmer Valderrama and Katrina Law chat with ET’s Kevin Frazier about season 22 of ‘NCIS,’ which airs Mondays on CBS. The cast members spoke with ET from the CBS fall schedule announcement ...