Inside NCIS star Brian Dietzen's 20-year friendship with the late David McCallum
David McCallum and Brian Dietzen "hit it off" from the get-go. Introduced on the set of NCIS in 2004, the Donald "Ducky" ...
NCIS star Brian Dietzen addresses possibility of Mark Harmon return in David McCallum tribute episode
NCIS star Brian Dietzen has finally opened up about the possibility of original cast member, Mark Harmon, returning in the ...