'Vienna Blood' Season 4 Cast Confirmed: 6 Stars Returning for New Episodes on PBS!

Period piece TV show Vienna Blood is returning to PBS Masterpiece tonight, and fans are anxiously awaiting the continuation of the story!

Here’s the synopsis of the new season…”1909: The double murder of an arms dealer in police custody and a senior public official has shaken Vienna to its core. Can Max and Oskar stop the seditious mole known as ‘Mephisto’ from bringing the Austro-Hungarian Empire to destruction?”

So far, we know of 6 cast members returning from previous seasons!

Keep reading to see the cast list…