Wicked Stepmother

The name of this movie is Wicked Stepmother released in 1989-02-03 and it's main theme is A mother/daughter pair of witches descend on a yuppie family's home and cause havoc, one at a time since they share one body & the other must live in a cat the rest of the time. Now it's up to the family's mother, a private detective and a suspended police officer to try and stop the witches..