Frankenstein (Harry Treadaway) adds a jolt of electricity to Dr. Jekyll's (Shazad Latif) serum, and tests it on a patient. Starring Eva Green, Josh Hartnett, and Timothy Dalton.
Penny Dreadful creator John Logan discusses how he added Dr. Jekyll (Shazad Latif) to the cast of main characters in Season 3. Starring Eva Green, Josh Hartnett, and Timothy Dalton.
