MARK HARMON

LEROY JETHRO GIBBS


Mark Harmon, a multiple Emmy and Golden Globe-nominated actor, stars as Special Agent Leroy Jethro Gibbs in "NCIS." Harmon has several successful television credits to his name, including "Chicago Hope," where he starred from 1996-2000, "Reasonable Doubts" and "Moonlighting." He has guest starred in a number of shows, earning an Emmy nomination for his role on "The West Wing." Harmon has also made a name for himself on the big screen, with film credits that include "Freaky Friday," "Chasing Liberty," "Comes a Horseman," "Wyatt Earp" and "Summer School."


PAULEY PERRETTE

ABBY SCIUTO


Pauley Perrette plays the role of Abby Sciuto in "NCIS." After years of doing work in television and film commercials and voice-overs, Perrette's big break came in a chance meeting that led to her role on "NCIS." She has had a number of television credits to her name, including guest appearances in "CSI," "The Drew Carey Show," "Jesse," "Time of Your Life," "Philly," "Special Unit 2," "Haunted," "Dawson's Creek," "Frasier" and "24."


DAVID MCCALLUM

DONALD MALLARD


David McCallum stars as Dr. Donald Mallard in "NCIS." A Scottish-born actor, McCallum's also widely known for his two-time Emmy-nominated role as Illya Kuryakin, a Russian secret agent on the popular 1960s series "The Man from U.N.C.L.E." McCallum has appeared in several TV shows in guest appearances, including "Sapphire and Steel," "Colditz," "Trainer," "The Education of Max Bickford," "Motherlove," "Kidnapped," "The Invisible Man," and episodes of "The Outer Limits," "Law & Order" and "Sex and the City." He has also had roles in feature films, including "The Greatest Story Ever Told."


SEAN MURRAY

TIMOTHY MCGEE


Sean Murray stars as Special Agent Timothy McGee in "NCIS." He has made a number of other television appearances, including a recurring role in the military drama "JAG," and guest spots in "ER" and "Boston Public." Murray has also had a starring role in the TV series "The Random Years," and was in a supporting role in the series "Hearts of the West." His feature film credits include "Hocus Pocus," "This Boy's Life" and "Too Romantic."


MICHAEL WEATHERLY

ANTHONY DINOZZO


Michael Weatherly stars as Special Agent Anthony DiNozzo in "NCIS." Weatherly's acting career began on "The Cosby Show" before moving on to the daytime drama "Loving," where he starred from 1992-95. He appeared in several other shows before landing at "NCIS," including regular roles in "Significant Others," "Jesse" and "Dark Angel." Weatherly's film credits include "Trigger Happy," "The Last Days of Disco," "The Specials," "Venus and Mars" and "Gun Shy."