When Bette Davis and Joan Crawford arrived onscreen in 1962’s What Ever Happened to Baby Jane? the film became the shining new example of what Grand Guignol was on the big screen. Though some might argue that Psycho in 1960 was another earlier adopter of the style, and Baby Jane gave birth to the dames of Grand Guignol. The success spun off a sub-genre referred to at Grand Dame Guignol, where older actresses were placed in bleak dark scenarios, often themselves becoming mentally unbalanced...