Stills: Inception

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Joseph Gordon Levitt as Arthur and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' science fiction action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Joseph Gordon-Levitt as Arthur in Warner Bros. Pictures' and Legendary Pictures' science fiction action film Inception a Warner Bros. Pictures release. (Photo: Steven Vaughan)

(L-R) Ellen Page, Michael Caine, Leonardo DiCaprio, director of photography Wally Pfister and director Christopher Nolan on the set of Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Michael Caine as Miles in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-R) Director Christopher Nolan with Leonardo DiCaprio on the set of Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-R) Ken Watanabe as Saito and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-R) Director Christopher Nolan with Leonardo DiCaprio and Cillian Murphy on the set of Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-R) Leonardo DiCaprio as Cobb and Cillian Murphy as Robert Fischer in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(Clockwise from TOP left) Leonardo DiCaprio as Cobb, Joseph Gordon-Levitt as Arthur, Cillian Murphy as Robert Fischer, Tom Berenger as Browning, Ellen Page as Ariadne, Tom Hardy as Eames, and Ken Watanabe as Saito in Warner Bros. Pictures and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-r) Leonardo DiCaprio as Cobb and Marion Cotillard as Mal in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-r) Leonardo DiCaprio as Cobb and Tom Hardy as Eames in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-r) Ken Watanabe as Saito, Tom Hardy as Eames, and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-r) Leonardo DiCaprio as Cobb and Ellen Page as Ariadne in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-r) Director Christopher Nolan with Leonardo DiCaprio and Ellen Page on the set of Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Tom Hardy as Eames in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-r) Dileep Rao as Yusuf, Tom Hardy as Eames, Joseph Gordon-Levitt as Arthur, Leonardo DiCaprio as Cobb, Ellen Page as Ariadne, and Ken Watanabe as Saito in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Joseph Gordon-Levitt as Arthur in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

Ken Watanabe (top) as Saito and Lucas Haas as Nash in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-R) Joseph Gordon-Levitt as Arthur, Leonardo DiCaprio as Cobb, and Tom Hardy as Eames in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Stephen Vaughan)

(L-R) Leonardo DiCaprio with Director Christopher Nolan on the set of Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Joseph Gordon-Levitt as Arthur, Ken Watanabe as Saito and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Ken Watanabe as Saito and Marion Cotillard as Mal in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Ellen Page as Ariadne and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Marion Cotillard as Mal and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Leonardo DiCaprio as Cobb and Ellen Page as Ariadne in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo: Melissa Moseley)

(L-R) Cillian Murphy as Robert Fischer, Leonardo DiCaprio as Cobb, and Tom Hardy as Eames in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

(L-R) Leonardo DiCaprio as Cobb and Joseph Gordon-Levitt as Arthur in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

(L-R) Michael Caine as Miles and Leonardo DiCaprio as Cobb in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

Ellen Page as Ariadne in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

(L-R) Leonardo DiCaprio as Cobb and Ellen Page as Ariadne in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

Marion Cotillard as Mal in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

A scene from Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

(L-R) Tom Hardy as Eames and Joseph Gordon-Levitt as Arthur in Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception, a Warner Bros. Pictures release. (Photo courtesy: Warner Bros. Pictures)

A poster for Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception starring Leonardo DiCaprio, Tom Hardy, Ellen Page, Marion Cotillard, and Joseph Gordon-Levitt.

A poster for Warner Bros. Pictures' and Legendary Pictures' sci-fi action film Inception starring Leonardo DiCaprio, Tom Hardy, Ellen Page, Marion Cotillard, and Joseph Gordon-Levitt.