Game of Thrones stars Lena Headey and Charles Dance have joined the cast of Pride and Prejudice and Zombies, which was just acquired by Screen Gems for U.S. distribution. No details were given for Lena Headey and Charles Dance's characters.The project is adapted from Seth Grahame-Smith's novel of the same name, which takes Jane Austen's characters from her original novel Pride and Prejudice, and throws them into a zombie outbreak scenario.