Here is the teaser trailer for The Dark Knight’s director Christopher Nolan’s new film, Inception, starring Leonardo DiCaprio, Marion Cotillard, Cillian Murphy, Ellen Page, Joseph Gordon-Levitt, Ken Watanabe, Tom Hardy and Michael Caine. Opening in theaters on July 16, 2010, the Warner Bros. Pictures release is described as a contemporary sci-fi actioner set within the architecture of the mind. Nolan also wrote the original screenplay.