Jillian Noel "Jill" Hennessy (born November 25, 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 and Most Wanted. 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 Gypsy, as well as Austrian, ancestry on her mother's.