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. 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.

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