Six innovative directors - David O. Russell, Alejandro G. Inarritu, Quentin Tarantino, Danny Boyle, Tom Hooper, Ridley Scott - discuss filming in inclement weather, working with talent, and their regrets.

Michael Caine, Will Smith, Benicio Del Toro, Joel Edgerton, Samuel L. Jackson, and Mark Ruffalo dish on racism versus prejudice, the pain of realizing you're too old to play the love interest, and who has taught them the most.