Marcus Fitzgerald is an American Actor who is best known for Law & Order: Special Victims Unit (1999), I'm with Lucy (2002), and BelzerVizion (2007). He is also known as the ex-husband of Diane Neal an American actress best known for her role as New York Assistant District Attorney Casey Novak in the television series Law & Order: Special Victims Unit, which she played from 2003 to 2008, and from 2011 to 2012.