'NCIS': Mark Harmon Removed From Season 20 Opening Credits One Year After Exit

Mark Harmon Finally Removed from 'NCIS' Opening Credits, Exec Explains Why He Remained in Them After His Exit

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