Mrs. March apparently stabs Victor in the back with a downward stroke of her knife. Victor is immediately seen with a bleeding slash wound across the front of his neck. Victor is then seen on the floor in closeup, but his neck is completely unharmed. The view switches to a further viewpoint, and the neck wound has returned.
When the two girls are in the basement and they see Mrs. March, they depart quickly without Mrs. March hearing them, even though they are both wearing high heels on a wooden stairway.
After the Dog Brain man attacks the Walking Corpse the Doctor checks her pulse. As the seen occurs it is obvious the shot is run and then run backwards.
When the three candidates enter Mrs. March's room for the first time, a young male crew member wearing glasses can be seen in the reflection in her mirror. He stays there throughout the whole scene.