Hanged man in the third story sometimes changes his position throughout the scene.
When the mortician offers Talmudge some coffee, Talmudge suddenly has a cup of coffee in his hands before the mortician fills the cup and gives it to him.
A killer in the second story chokes his victims too easily and quickly. It would take a lot more effort and time in real life.
When killer in the second story goes to stab his third victim, he stops just before the blade connects, revealing that the actor didn't want to hurt the actress.
Hanged man in the third story obviously isn't hanged by the neck.
Throughout the movie people get wet, but dry to quickly in between shots.
When Miss Sibler turns on the radio for the second time, she merely touches the radio's handle and the music starts. The buttons are clearly not on the radio's handle but down on the top edge of the unit itself.