Once upon a time, every porn star's dream was to crossover and go mainstream. These days, porn is mainstream, and it's not uncommon to see your favorite porn star in a bonafide Hollywood movie. Of course, not all adult performers are gifted when it comes to the non-sex scenes. Here, we present our top seven favorite performances by porn stars in movies that aren't intended to inspire masturbation.

Standard Hollywood etiquette dictates that once you've done porn, your mainstream career is toast. The mean streets of Hollywood are littered with the crushed dreams of hopeful actors turned down once it came to light that they'd done porn. These men and women broke the mold and managed to succeed on both fronts. They got people talking. Yes, of course your best friend probably knows quite a few porn stars to discuss.

R min Comedy, Crime, Sport. Jeff "The Dude" Lebowski, mistaken for a millionaire of the same name, seeks restitution for his ruined rug and enlists his bowling buddies to help get it. When bitten by a genetically modified spider, a nerdy, shy, and awkward high school student gains spider-like abilities that he eventually must use to fight evil as a superhero after tragedy befalls his family. R 96 min Comedy.

R 96 min Comedy. A group of good-hearted, but incompetent misfits enter the police academy, but the instructors there are not going to put up with their pranks. Bailey , Kim Cattrall , Bubba Smith.