 Additional New York City stage credits include "Sons of the Prophet" (2011), "The Shoemaker" (2010), "All My Sons" (2008), "Two-Headed" at the Women's Project Theater (2000), "The Price" (1999), "The Heiress" (1995), "Abe Lincoln in Illinois" (1993), and "Death and the Maiden" (1992).Mackay's feature film credits include "Malcolm X" (1992), "Marvin's Room" (1996), and "One True Thing" (1998).On television, she appeared in the soap operas "All My Children" as Leora Sanders in 1981 and "One Life to Live" (2004) and the primetime series "The Cosby Mysteries" (1995), "Ed" (2000), "" (2002), "" (2005), and several episodes of the original "Law & Order" (1992, 1998, 2003).