Mark Harmon (born September 2, 1951) is an American actor who has been starring in U.S. television programs and films since the mid-1970s, after a career as a collegiate football player with the UCLA Bruins. Since 2003, Harmon has starred as Leroy Jethro Gibbs in the CBS series NCIS...(Wikipedia)

Credits include: The Game, The War of the Roses, The X-Files, The China Syndrome and School Ties

Credits include: Pee-wee's Big Adventure, Beverly Hills Chihuahua 2, I'm a Virgo, Phantom of the Mall: Eric's Revenge and The Initiation of Sarah

Credits include: The Duellists, The Sentinel, Nightmares, Russian Roulette and Touched By Love

Credits include: The Poseidon Adventure, The Nutty Professor, The Ballad of Cable Hogue, Too Late Blues and The Manitou

Credits include: Invasion of the Body Snatchers, Invasion of the Body Snatchers, UHF, Innerspace and Twilight Zone: The Movie

Credits include: Kramer vs. Kramer, No Way Out, The Naked City, Brute Force and While the City Sleeps

Credits include: Sleeper, Rollerball, Audrey Rose, The Big Bus and Timecop: The Berlin Decision

Credits include: Bigger Than Life, Hombre, Magnificent Obsession, It Came from Outer Space and When Worlds Collide

Credits include: Killer Party, Alligator II: The Mutation, Animal Instincts II, The Rain Killer and Dominion