John James "Jack" McCoy is a fictional character in the television drama Law & Order. He was created by Michael S. Chernuchin and portrayed by Sam Waterston from 1994 until 2010. He is the second-longest tenured character on the show, after Lt. Anita Van Buren (S. Epatha Merkerson). On January 28, 2009, McCoy's character ended the longest run of a character appearing in consecutive episodes. He was not featured in the episode "Lucky Stiff". His streak ended with 333 uninterrupted appearances since the first episode of the fifth season in 1994. (Although van Buren was credited in more consecutive episodes, she did not always make an on-screen appearanace -- for example, she does not feature in Season 13's "Kid Pro Quo"). He appeared in 368 episodes of Law & Order, three episodes of Law & Order: Special Victims Unit, two episodes of Law & Order: Trial by Jury, two episodes of Homicide: Life on the Street and Exiled: A Law & Order Movie.Waterston's performance as McCoy on the New York-based series was so popular that it resulted in him being declared a "Living Landmark" by the New York Landmarks Conservancy, along with fellow longtime series cast member Jerry Orbach (who portrayed the equally-popular police detective Lennie Briscoe).