Gary Cole Opens Up About Leading NCIS After Mark Harmon's Exit - Movieguide

Mark Harmon is officially returning to the NCIS franchise after co-star feud - 9Honey Celebrity

Mark Harmon to appear on premiere of 'NCIS' prequel, 'NCIS: Origins' - Entertainment Weekly News

Mark Harmon to Appear on 'NCIS: Origins' Premiere - PEOPLE

Mark Harmon Set to Reprise NCIS Role Onscreen for First Time in 3 Years - CBR

Mark Harmon filmed footage for an NCIS show and it's not the flagship! - imdb

Mark Harmon Is Returning For the Upcoming NCIS Prequel Show - MovieWeb

After The Big Mark Harmon NCIS: Origins Announcement, I Am Seriously Looking Forward To Learning What Gibbs Has Been Up To Since His Exit - CinemaBlend

Mark Harmon to Make a Cameo on ‘NCIS: Origins’! - Just Jared

NCIS: Origins Premiere Episode Features Mark Harmon Appearance - Bleeding Cool News

How Mark Harmon Will Return for 'NCIS: Origins' Premiere - PopCulture.com

NCIS: Origins : Mark Harmon to Make On-Screen Appearance in Premiere Episode - TVLine

‘NCIS: Origins’ Premiere Will Feature Brief Appearance By Mark Harmon - imdb

NCIS Surprise! Mark Harmon Returning As Gibbs In New Prequel Series - Screen Rant

Lorne Michaels confirms he's sticking with SNL / Mark Harmon to appear on NCIS: Origins / Industry renewed - TV Tattle