Life Pauley Perrette says she won’t return to ‘NCIS’ because she’s ‘terrified’ of Mark Harmon June 7, 2019June 8, 2019 Sara M Moniuszko, USA TODAY Comments Off on Pauley Perrette says she won’t return to ‘NCIS’ because she’s ‘terrified’ of Mark Harmon Pauley Perrette says she will never return to "NCIS" – and she says that's because of her former co-star Mark Harmon.