Perabo will play Linda Craft, the wife of Dr. Peter Craft (Rory Kinnear, a veteran of the first Penny Dreadful), who is head of the isolationist German-American Bund, and mother to Trevor (Hudson West) and Tom (Julian Hilliard).
Bishé will play Sister Molly, a charismatic radio evangelist. A beautiful singer and gifted orator, Molly captivates her many faithful followers even as she grapples with the complex demands of her life.
Daniel Zovatto has joined the cast of Showtime's Penny Dreadful: City of Angels, sequel series per Deadline. Zovatto will take on one of the lead roles playing Tiago, the drama's male protagonist.