Mark Harmon opens up about departing his role as Leroy Gibbs on NCIS: 'I thought it was honest'

Mark Harmon Addresses 'NCIS' Exit For The First Time

Mark Harmon Finally Speaks Out About Leaving ‘NCIS’: It Was An ‘Honest’ End For Gibbs

Mark Harmon Breaks His Silence on Leaving 'NCIS' After 19 Seasons