"Caged" is the rare kind of movie that works both as a film to take seriously and as a camp classic.

Eleanor Parker plays Marie Allen, a naive 19-year-old who goes to prison as an accomplice in an armed robbery staged by her loser husband. She doesn't really belong there, but despite the efforts of the prison administrator (Agnes Moorehead) to help her get paroled, she remains locked up, only to be turned into a jaded criminal by the very institution that's supposed to reform her.

The film is full of rough stuff, atrocities and indignities heaped one after another on Marie or the other inmates. Women are beaten, subjected to psychological abuse, thrown into solitary confinement. Their heads are shaved, they have babies who they're forced to give up for adoption. One woman freaks out and breaks a window with her bare hands, and we see the blood spurting from her severed arteries. Another woman hangs herself. Presiding over all is sadistic warden Evelyn Harper, played memorably by the gigantic actress Hope Emerson, who abuses her power so egregiously that she eventually gets stabbed in the chest with a fork by one crazy inmate while Parker's character hisses "Kill her! Kill her!"

The screenplay tosses out one memorable line after another -- my favorite is Parker's departing words to Moorehead when Marie finally gets her parole: "Thanks for the haircut." But for all the women-behind-bars sensationalism, the film is no joke. It's well directed by John Cromwell, who clearly wanted to make a serious indictment of a flawed system, and if it's lurid, it's also effective. I laughed a lot, but I also found myself outraged.

In addition to Parker, Emerson (both Oscar nominated, by the way) and Moorehead, the cast also includes Jan Sterling and Betty Garde as two of the more memorable inmates.

Grade: A