Mark Harmon Breaks His Silence on Leaving Gibbs Behind and His Shocking(02)

Mark Harmon Breaks His Silence on Leaving Gibbs Behind and His Shocking(02)


Image gallery: Mark Harmon To Guest Star On Ncis Origins 4 Years After Exiting Franchise

Mark Harmon Returning to NCIS Origins 4 Years After Franchise Exit Mark Harmon to Guest Star on 'NCIS Origins' 4 Years After Exiting Mark Harmon Breaks His Silence on Leaving Gibbs Behind and His Shocking Meet the cast of NCIS Origins From Austin Stowell to Mariel Molino and How Mark Harmon Returns to ‘NCIS’ Spinoff 'Origins'