Released: February 1979
Runtime: 1h 30min
Countries: Canada, Switzerland, West Germany
Director: Jesús Franco.
Also known as: Greta - Haus ohne Männer, Ilsa, the Wicked Warden, Greta, the Mad Butcher, Greta, la donna bestia.
Actors: Dyanne Thorne, Tania Busselier, Lina Romay, Eric Falk, Jesús Franco, Lorli Bucher, Karl Gysling.
Description: A desperate young woman goes undercover to infiltrate the brutal warden Ilsa's mental health facility for the sexually deviant women, after the mysterious disappearance of her sister.