Can the dream world be a fully functional parallel reality? Joseph Gordon-Levitt and leading scientists take you to the cutting edge of dream research in this documentary produced for Christopher Nolan's "Inception."

Cast:Joseph Gordon-Levitt, William C. Dement, Christopher Nolan, Leonardo DiCaprio, Lynarion Hubbard,

Genre:Documentary,

country:United States of America,

Production:New Wave Entertainment, Warner Bros. Pictures,