Mark HarmonMost RecentCelebrityPauley Perrette 'So Freaking Happy' On New Show After Mark Harmon 'NCIS' Abuse DramaThe actress says she can now put a 'few devastatingly difficult years' behind her.ScandalsMark Harmon To CBS: Shut Pauley Perrette Up Or I'll Sue!'NCIS' star fed up with abuse charges & wants support from network, says source.ScandalsPauley Perrette Claims She's 'Terrified' Of Mark Harmon & Will Never Return to 'NCIS'Actress says she's having 'nightmares' about co-star after quitting show!PHOTOSMark Harmon's Heart Attack Nightmare — NCIS Star Not Photographed In Public For 250 DaysCould the next NCIS season might be his last?!CelebrityMark Harmon Leaves ‘NCIS’ To Focus On His Relationship With Pam DawberThe actor ‘wants to put the spark back in the marriage with this trip.’VIDEOSPauley Who? ‘NCIS’ Cast ‘Getting Along Well’ With New Co-Star DionaReasonover took over for Perrette after her feud with star Mark Harmon.CelebrityOpposites Attract? Mark Harmon Opens Up About His Differences With Wife Pam Dawber'We don't generally like the same thing.'VIDEOSThe REAL Reason Pauley Perrette's Leaving 'NCIS': Mark Harmon's Vicious On-Set Pet!Star driven off crime drama after 16 years because she hated co-star's pit bulldog.VIDEOS‘She Was Furious!’ Inside Mark Harmon’s Nasty Feud With Co-Star Pauley PerretteThe ‘NCIS’ star quit the show when he brought his vicious pitbull to the set.PHOTOSSecret Pregnancies, Nude Photos & Divorce Drama! Radar's Biggest Stories Of 2018Find out what how Kim Kardashian, Jenelle Evans and other stars shaped the news.VIDEOSPeace Restored! ‘NCIS’ Set ‘Relaxed’ After Pauley Perrette’s DepartureThe actress left the series because of her feud with former co-star Mark Harmon.CelebrityPauley ‘Ignored’ Mark’s Desperate Attempt To Reconcile Before Leaving ‘NCIS’Perrette was ‘too unprofessional’ to end their feud over Harmon’s dog.VIDEOSPauley Perrette Posts Cryptic Tweets Amid Drama Of Leaving 'NCIS'Star who quit show abruptly writes about 'spilling the beans.'CelebrityMark Harmon Abandoned Dying Sister! Star Held On To Feud As Kristin Went To Her Grave'NCIS' hunk's sibling passed of a heart attack last month.VIDEOS'NCIS' Star Mark Harmon Snubs Ailing SisterSibling Kristin 'is nearly destitute!' a source says.VIDEOSMark Harmon's Druggie Sister Gets A Second Chance!The 'NCIS' star is 'trying to help her,' says a source.VIDEOSThey Do, Again! Mark Harmon & Wife Renew Wedding Vows At 'Intimate' CeremonyInside the 'NCIS' star's backyard celebration.VIDEOSDrugs, Heartbreak & Desperation: Inside Mark Harmon's Nasty Family FeudThe 'NCIS' star is still haunted by a vicious custody battle.VIDEOS‘He Never Said Goodbye!’ Inside ‘Devastated’ Mark Harmon’s Secret HeartbreakThe ‘NCIS’ star has been ‘on edge’ since the death of his beloved friend.VIDEOSHealth Crisis! Inside Mark Harmon's 'Tough Rehabilitation' After Secret SurgeryThe truth behind the 'NCIS' star's extreme weight loss.VIDEOS'NCIS' Scandal: Mark Harmon Snubs 'Destitute' Sister As She Lies On Her DeathbedBad blood between the estranged siblings stretches back 30 years.