It's Official! Or Is It? Talia and Roman Sionis in The Dark Knight Rises?

Here is a press announcement today, revealing the casting of Roman Sionis (Black Mask) and Talia Al Ghul in The Dark Knight Rises!
BURBANK, CA
February 16, 2011

Warner Bros. Pictures announced today that Marion Cotillard and Joseph Gordon-Levitt have been cast in Christopher Nolan's The Dark Knight Rises and will join an ensemble cast alongside Christian Bale who returns in the title role of Bruce Wayne/Batman. They will play Talia al Ghul and Roman Sionis respectively.

On casting Cotillard, Director Christopher Nolan stated, "I am delighted to have the opportunity to work with Marion again and have no doubt she will be a great addition to our ensemble cast and bring to life a key part of the universe we have created as we finish our story."

On the addition of Joseph Gordon-Levitt, Nolan said, "I am thrilled to be working with Joseph again after a delightful experience working with him on Inception and am certain he will deliver another thrilling performance as one of Batman's most popular villains."

Nolan will direct the film from a screenplay he wrote with Jonathan Nolan, from a story by Christopher Nolan and David S. Goyer. Nolan will also produce the film with his longtime producing partner, Emma Thomas, and Charles Roven.

The Dark Knight Rises is slated for release on July 20, 2012. The film will be distributed worldwide by Warner Bros. Pictures, a Warner Bros. Entertainment Company.

Hmm... I wonder...? Is it true? Or is it fake?