Brian Dietzen, is well-known for his role as chief ... He is one of the longest-running actors on the CBS police procedural. The actor was originally meant to be a guest star for one day on ...
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Brian Dietzen leaves NCIS fans in tears with new trailer for David McCallum's tribute episodeNCIS star Brian Dietzen has shared a new trailer for upcoming tribute episode to the late David McCallum, which will air next Monday. The actor, who played Dr. Donald 'Ducky' Mallard from the very ...
19 on CBS. The actor breaks down Monday's action-packed episode and teases the duo's complicated relationship status. New episodes of 'NCIS' air Mondays at 9 p.m. ET/PT on CBS.
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