Casting Net: Emma Watson boards 'Noah.' Gyllenhall headed to the White House, and more

• Emma Watson is in talks to climb aboard Darren Aronofsky’s Noah. The Harry Potter alum would play Ila, who has a relationship with Shem (Douglas Booth), Noah’s son. [Deadline]

• It seems Jamie Foxx and Maggie Gyllenhaal are both Washington-bound for the Roland Emmerich thriller, White House Down. As reported Wednesday, Foxx will play the president. Gyllenhall is in talks to play the female lead. Channing Tatum was previously announced as playing a Secret Service agent who intercepts a plan to takeover the White House. [Deadline]

• And speaking of the White House: Matthew McConaughey has dropped out of the new Lee Daniel’s film, The Butler. He had been slated to play JFK in the film about longtime White House butler Eugene Allen. Instead, McConaughey will star in Dallas Buyer’s Club, a film that has been long in development and is now moving forward, about a Texas man who contracts HIV in the 1980s and tries various experimental remedies. [L.A. Times]