Mirror, Mirror On The Wall, Now Who's The Fairest Twin Of All?What happened to Bette Davis after What Ever Happened To Baby Jane? Her career was reborn. Warner Bros. encored it with another vehicle filled with Baby Jane-like bite and menace: DeadRinger, stylishly directed by the lady's Now, Voyager co-star Paul Henreid.Davis plays estranged identical twins. Unmarried Edith has no money, no future. Widow Margaret has fabulous wealth - all because of marriage to the man she stole from Edithyears ago. Out of long-festering revenge, Edith kills Margaret and takes her place. But new friends and surroundings, a snoopy cop (Karl Malden) who was Edith's beau and the arrival of Margaret's secret lover (Peter Lawford) may expose her masquerade.