Jillian Noel "Jill" Hennessy (born 25 November 1968) is a Canadian actress and musician known for her television roles on Law & Order and Crossing Jordan and in films such as Robocop 3. Hennessy was born in Edmonton, Alberta. Her father, John Hennessy, was a meat salesman and sales/marketing executive, a job that required considerable travel and resulted in frequent moves for the family. Her mother, Maxine, a secretary, left the family in 1982, leaving her daughter to be partially raised by her paternal grandmother, Eleanor, in Kitchener, Ontario. She has a younger brother, John Paul "J.P." Hennessy Jr., and an identical twin sister, Jacqueline, who is a magazine writer and TV show host in Canada. Hennessy has Irish, French, Swedish and Italian ancestry on her father's side, and mostly Ukrainian, as well as Austrian, ancestry on her mother's. She graduated from Grand River Collegiate Institute in Kitchener, Ontario and used to busk in the Toronto Subway. Hennessy and her sister played twin call girls in 1988's Dead Ringers. She was short-listed for the role of Dana Scully on The X-Files. In 1993, she played Dr. Marie Lazarus in RoboCop 3.