12. BARBARA STEELE IN SHIVERS (1975)

One of horror’s oldest scream queens, Barbara Steele blessed genre fans with an amazing gift in David Cronenberg’s perverse and disturbing Shivers. The film, also written by Cronenberg, is about little worm-like parasites that turn people into lust-crazed deviants; one of the ways these monstrosities enter the human body can be seen in Steele’s big scene, a relaxing bathtub visit that bloodies up real fast. The parasite slithers its way down the tub and right into Steele’s you-know-what. The entry causes her to both scream in agony and climax. And it’s not even the sexiest moment in Shivers. Needless to say, the film is highly recommended.