20 Celebrities You Didn’t Know Were Twins

19. Jill Hennessy

Jill Hennessy is best known for playing Jordan on Crossing Jordan and for her role on Law & Order. But one interesting fact about her is that while she had made a name for herself in American television, her twin sister has made a name for herself in Canadian television. Jacqueline Hennessy is her identical twin sister and is known as a television host and magazine writer in Canada.