The original Girl with the Dragon Tattoo, actress Noomi Rapace, has just signed onto play the lead female role in next year's Sherlock Holmes 2. The Swedish actress will appear alongside Robert Downey Jr. and Jude Law in Warner Bros. follow-up to last Christmas' hit action movie from director Guy Ritchie.

Producers Joel Silver, Susan Downey, Lionel Wigram, and Dan Lin will reunited with Guy Ritchie on the sequel. While details of the plot are being kept under wraps, it is known that Sherlock Holmes will be squaring off against his longtime nemesis Moriarty. According to The Hollywood Reporter, the movie will also mark the debut of Holmes' brother Mycroft. At this time, neither of these highly coveted roles has been cast, though Brad Pitt has long been rumored to portray Moriarty.

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As for Noomi Rapace, her character is as shrouded in mystery as Sherlock Holmes 2's storyline. She is rumored to play a French Gypsy, but it is unclear if she will be involved in the plot as a romantic interest for any of the four male leads.

Warner Bros. is hoping to shoot later this year.