Melissa Sagemiller (born June 1, 1974) is an American television and film actress. She is known for her performances in films Get Over It (2001), Soul Survivors (2001), Sorority Boys (2003), The Clearing (2004), The Guardian (2006) and Mr. Woodcock (2007). Sagemiller also starred in television dramas Sleeper Cell (2005-06), and Raising the Bar (2008-09), and from 2010 to 2011 had the recurring role as A.D.A. Gillian Hardwicke in the Law & Order: Special Victims Unit.