One of the lower points of Joan Crawford's latter-day career curve (though nothing to compare with the later embarrassment of Trog!), this lurid, low-rent thriller nevertheless gives Crawford the opportunity to chew acres of scenery in a campy Marlene Dietrich-style get-up. She portrays the ringmaster of a cheesy traveling circus troupe whose stars are being whacked in a variety of flamboyant ways (many of which are depicted in the garish trailer, particularly Michael Gough's spike-in-the-head scene). Despite the exploitation potential in this lurid Grand Guignol scenario, this film is fairly light on scares or gore -- and far too heavy on circus stock footage. A sequel of sorts to producer Herman Cohen's Horrors of the Black Museum, this one is a slight improvement, thanks to Crawford's outrageous, over-the-top performance.