**1/2. One is bad, the other is good and they're twin sisters. Three years later, Siodmak will deal again with this theme in 'The Dark Mirror'. It's a perfect topic for a director obsessed by mirrors and reflections. There's a scene in 'Cobra Woman' that deserves to be remembered: Maria Montez goes into a trance in front of the King Cobra and points out with a sadistic smile the women who're going to die. Cult.