Penny Dreadful is a British-American horror drama television series created for Showtime and Sky by John Logan, who also acts as executive producer alongside Sam Mendes.
- Reeve Carney as Dorian Gray, a charismatic man who is ageless and immortal.
- Timothy Dalton as Malcolm Murray, a hardened explorer of the African continent, on a deeply personal quest to save the remaining members of his family.
- Eva Green as Vanessa Ives, an enigmatic, quietly driven heroine who proves herself a force to be reckoned with as she battles powerful, relentless forces from the underworld.
- Rory Kinnear as the Creature, a creation Frankenstein abruptly abandoned, who, not given a name, variously uses the aliases Caliban and John Clare.
- Billie Piper as Brona Croft / Lily Frankenstein, an Irish immigrant seeking to escape her brutal, violent past.