Season 1 premiered on May 11, 2014, and concluded on June 29, 2014. The full-disc DVD/Blu-ray set was released on October 14, 2014.
Season 2 premiered on May 3, 2015, and concluded on July 5, 2015. The full-disc DVD/Blu-ray set was released on October 6, 2015.
Season 3 premiered on May 1, 2016, and will conclude on June 19, 2016.
|Penny Dreadful Cast|
|Reeve Carney||Dorian Gray||18||Starring|
|Timothy Dalton||Sir Malcolm Murray||25||Starring|
|Eva Green||Vanessa Ives||24||Starring|
|Rory Kinnear||The Creature/John Clare||22||Starring|
|Billie Piper||Brona Croft/Lily Frankenstein||21||Starring|
|Harry Treadaway||Victor Frankenstein||24||Starring|
|Josh Hartnett||Ethan Talbot||24||Starring|
|Helen McCrory||Madame Kali/Evelyn Poole||11||Guest Starring||Starring|
|Simon Russell Beale||Ferdinand Lyle||12||Guest Starring||Starring||Guest Starring|
|Patti LuPone||Joan Clayton/Dr. Seward||9||Guest Starring||Starring|
|Olivia Llewellyn||Mina Harker||9||Guest Starring|
|Alex Price||Proteus||3||Guest Starring|
|Robert Nairne||Master Vampire||4||Guest Starring|
|Olly Alexander||Fenton||3||Guest Starring|
|Noni Stapleton||Gladys Murray||5||Guest Starring|
|Graham Butler||Peter Murray||4||Guest Starring|