Forced to Sin was released in the year 1933。Forced to Sin is also called as The Vampire Bat, Sombras trágicas, Vuelta del vampiro, Vampiro acecha, ¿vampiros?, Blood Sucker, Vampire Bat。

When the villagers of Klineschloss start dying of blood loss, the town fathers suspect a resurgence of vampirism. While police inspector Karl remains skeptical, scientist Dr. von Niemann cares for the vampire's victims one by one, and suspicion falls on simple-minded Herman Gleib because of his fondness for bats. A blood-thirsty mob hounds Gleib to his death, but the vampire attacks don't stop.

Forced to Sin actors and actresses include Fay Wray, Lionel Atwill, Melvyn Douglas。