Played By: Isabella Rossellini
Movie: Blue Velvet (1986)

The mysterious lounge singer is at the center of a small suburban town's murder case, and curious would-be sleuth Jeffrey (Kyle MacLachlan) is soon drawn into her web of intrigue, which includes an absolutely wild-for-the-night goon with violent sexual tendencies named Frank (Dennis Hopper). But is she merely a victim, or a sinister sadist herself?