Thomas Mark Harmon (born September 2, 1951) is an American actor.
Read more in the app
Mark Harmon, 74, makes shock permanent return to NCIS universe... as fans fly into a frenzy
Mark Harmon Returning to ‘NCIS,’ Will Star in Season 3 of ‘Origins’ Prequel Show
Mark Harmon Returns to 'NCIS: Origins' for Season 3 Arc After Shocking Exit
Mark Harmon Returning To ‘NCIS: Origins’ As Gibbs For Season 3
Mark Harmon Returning as Gibbs in ‘NCIS: Origins’ Season 3 Story Arc
Mark Harmon Details Working Behind the Scenes on ‘NCIS: Origins’ After ‘NCIS’
11 Actors Were Considered to Play Gibbs on 'NCIS' Before Mark Harmon Landed the Role (Including Two Oscar Winners!)
11 Actors Were Considered to Play Gibbs on 'NCIS' Before Mark Harmon Was Cast (Including Two Oscar Winners!)
NCIS legend Mark Harmon glows after a trip to LA post office as fans shower him with mail after highly anticipated return to franchise spin-off
How Did Mark Harmon Return to 'NCIS' for 'Origins' Crossover After His Exit?
When Is the 'NCIS'-'NCIS: Origins' Crossover Airing? Episode Date, Details & Teasers Revealed for Mark Harmon's Return as Gibbs!
Mark Harmon Returning to NCIS: Origins 4 Years After Franchise Exit
'NCIS: Origins' Crossover Event With 'NCIS': Mark Harmon to Return as Leroy Jethro Gibbs - Episode Date & Details!
Mark Harmon Returns as Gibbs in 'NCIS: Origins' and 'NCIS' Crossover Special
‘NCIS’ Star Mark Harmon to Return as Gibbs in ‘NCIS: Origins’ During Veterans Day Crossover
‘NCIS: Origins’ To Feature Guest Appearance By Mark Harmon During Crossover Event With ‘NCIS’
11 Actors Were Considered to Play Leroy Jethro Gibbs on 'NCIS' Before Mark Harmon Was Cast (Including Two Oscar Winners!)
11 Actors Were Considered to Play Leroy Jethro Gibbs on 'NCIS' Before Mark Harmon Was Cast (Including 2 Oscar Winners!)
11 Actors Were Considered to Play Leroy Jethro Gibbs on 'NCIS' Before Mark Harmon (There Are 2 Oscar Winners On The List!)
Mark Harmon Got ‘Bored Real Fast’ With Retirement Post ‘NCIS’: He’s Looking for a ‘Fresh Start’
