My own personal process with movies is to develop the characters with the actors and, when I've done that properly, you can't imagine anyone else, but that actor, playing that part.
Doug LimanIn movies, you can basically buy the audience into the theater. If you spend enough money on visual effects, even if you are lacking in story and character, you might still pull it off.
Doug LimanAt the end of the day, I like the spy genre, as opposed to the action movie genre, because spies are smart. The successful spies are the smarter spies.
Doug Liman