'Sherlock' Season 3: New nemesis is Lars Mikkelsen

sherlock-lars-mikkelsen-charles-augustus-magnussen-twitter.jpg
Once Sherlock Holmes comes back from the dead in "Sherlock" Season 3, he will have to deal with a new adversary. Lars Mikkelsen will play the nefarious Charles Augustus Magnussen.

The announcement came via the Twitter account of Sue Vertue, one of the "Sherlock" executive producers. Posted on Monday (July 29), the short bit of casting reads:

"Sherlock's new nemesis - introducing Lars Mikkelsen as Charles Augustus Magnussen."

Vertue attached the photo of Mikkelsen seen above. It's safe to say this will be a rather creepy villain for "Sherlock."

Mikkelsen is a well-known star in his native Denmark -- he recently starred in the international critical success, "Borgen." In the United States, however, many are more likely to know the actor as the brother of "Hannibal" star, Mads Mikkelsen.

Who is this Charles Augustus Magnussen? While a character of that exact name exists in the original literature, there is a similarly named villain, Charles Augustus Milverton. That bad man was a blackmailer who made his money extorting people, using embarrassing tidbits collected over time. Milverton's invasions of privacy were especially hated by the Sherlock Holmes of the books.

What kinds of modern twists could come for a character like this? Identity theft and online hacking are both strong possibilities. Unfortunately, "Sherlock" fans will likely have to wait until the Season 3 premiere in the winter of 2014.

Photo/Video credit: Twitter, BBC