- Released in 1975
- Running Time: 90 min | UK:76 min (cut) | Australia:74 min (cut) | Germany:78 min
- Production Co: Elite Film
- Distribution Co: Aquarius Releasing (1977) (USA) (theatrical) (dubbed) | Cinépix Film Properties (CFP) (1976) (Canada) (theatrical) (dubbed) | Blake Films (1977) (Australia) (theatrical)
- Directed by Jess Franco
- Written by Jesus Franco, Connie Grau, Christine Lembach
- Starring Lina Romay, Paul Miller, Monica Swinn
- Produced by Erwin C. Dietrich
- Original Music by Walter Baumgartner, Daniel White
- Cinematography by Jesus Franco (as David Khunne)
- Film Editing by Peter Baumgartner, Marie-Luise Buschke (as Marie Louise Buschke)
- Maria is sent to prison for killing her father who tried to rape her.
Also Known As
- Jailhouse Wardress (Argentina / France)
- Barbed Wire Dolls (USA)
- Caged Women (UK)
- Femmes en cage (France)
- Meisjes achter trailies (Netherlands)
- Penitenziario femminile per reati sessuali (Italy)
- To Stratopedo tis diafthoras (Greece)
- Woman Caged (Philippines - English title)
- Women's Penitentiary IV
- Welcome to prison, Ladies!
- Women Behind Bars
- Unfolds with a Brutal Fury..!
- Prisoners in a barbaric camp of sadistic perversions ...