Complex sentence: John James "Jack" McCoy is a fictional character in the television drama "Law & Order", created by Michael S. Chernuchin and played by Sam Waterston from 1994 until 2010.
Split into simpler sentences: 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.