Directed by Christopher Nolan, 'Inception' is a sci-fi action flick that delves into the infinite world of dreams. Leonardo DiCaprio plays Dom Cobb, a skilled thief who steals valuable secrets from people's subconscious, during the dream state when the mind is at its most vulnerable. Besides Leonardo DiCaprio the movie stars Ellen Page, Ken Watanabe, Marion Cotillard, Joseph Gordon-Levitt, Tom Hardy and Cillian Murphy. Watch trailer.