Showtime's "Penny Dreadful: City of Angels” just added six new actors to its roster:

Adam Rodriguez, Thomas Kretschmann, Lorenza Izzo, and Dominic Sherwood (of "Shadowhunters") will appear in recurring roles. "Star Trek: Discovery"'s Ethan Peck will guest star in multiple episodes.

And "Mad Men" alum Michael Gladis will be a series regular as Councilman Charlton Townsend, the ambitious and ruthless head of the L.A. City Council’s Transportation Committee.

They join previously announced cast members Natalie Dormer, Daniel Zovatto ("Don't Breathe"), Kerry Bishé, Adriana Barraza, "Penny Dreadful" regular Rory Kinnear, Jessica Garza, Johnathan Nieves, Nathan Lane, Amy Madigan, "Star Trek: The Next Generation'"s Brent Spiner, and Lin Shaye.

The new series opens in 1938 Los Angeles. It begins with a grisly murder which leads Detective Tiago Vega (Zovatto) into the deep traditions of Mexican-American folklore and the dangerous rise of the Third Reich.

Izzo ("Knock Knock," "The Green Inferno") will play Santa Muerte, the Angel of Holy Death and sister of the charismatic demoness, Magda (Dormer). She also has a role as a glamorous Italian movie star in Tarantino's upcoming  “Once Upon a Time in Hollywood."

Rodriguez will play Raul Vega, the eldest son of the Vega family and a righteous union leader and advocate for his people. Rodriguez’s credits include "Criminal Minds," "Empire," "Jane the Virgin," and "CSI: Miami."

Kretschmann will play Richard Goss, an aristocratic and mysterious German architect with grand plans for the future of Los Angeles. His credits include "Berlin Station," "The Pianist," "King Kong,” and "Avengers: Age of Ultron."

Sherwood will play Kurt Goss's the chauffeur and bodyguard, who has secrets of his own.

Peck will play Herman Ackermann, the charismatic second-in-command at the German-American Bund who clashes with the Bund’s leader, Peter Craft (Kinnear).

Production is slated to begin later this year.

[Via Variety]