House of the Damned

In this horror movie, circus freaks, longing for their master to get out of an insane asylum, take up residence in a bizarre mansion built by an heiress. When a couple come to the mansion to survey it, the performers do their best to frighten them off. The couple is not easily dissuaded and stay. When the wife is decapitated her husband gets very angry and begins trying to find out what is going on. He does. Fortunately, his wife reappears with her head intact as the beheading was only a circus illusion.