Get ready for the battle of the Jackies! Variety reports that actress Joanne Whalley has been cast in the title role of the CBS miniseries Jacqueline Kennedy Onassis: A Life... not to be confused with the upcoming NBC miniseries Jackie, Ethel, Joan: The Women of Camelot, which features Law & Order star Jill Hennessy as Jackie. In true mud-wrestling fashion, the rival projects will premiere opposite each other on Sunday, Nov. 5.