What would happen if Dr. Frankenstein, Dorian Gray and Dracula all came together? Showtime's new dramatic thriller series Penny Dreadful sets up that premise, taking viewers to Victorian era London where it will delve into all its secrets and demons in this dark, dramatic tale. Stars Josh Hartnett and Helen McCrory give new interviews alongside creator John Logan, and we get never-before-seen footage in an all-new behind-the-scenes featurette. Go deep into this terrifying character study, premiering this May, only on Showtime.

Penny Dreadful debuts May 11, only on Showtime.