NCIS Was Forced To Separate Scenes Between Pauley Perrette And Mark Harmon After Things Took A Turn Behind The Scenes Despite its long and successful run, the making of NCIS has been filled with behind-the-scenes tension, including a feud between beloved actors Pauley ... Perrette never appeared together in Abby ... 10/19/2023 - 10:35 am | View Link