Whitney Anne Adams remembers bawling on the set of Baz Luhrmann’s “The Great Gatsby” during the filming of a lavish party scene in Gatsby’s 1920s New York mansion. Adams, a costume design assistant at ...

So you’ve got a fantastic idea for a screenplay and are anxious to start creating it. You know the premise, the conflict, the stakes, the twists—pretty much everything you need to start writing, right ...