Don't do the director's job

When writing a film, most of us envision every detail. Not just what the characters will do and say, but how they say will each line, how the scene will be framed, what type of cuts will be used and when, how the credits will look, the background music, and which celebrity will play each part.

It is great to know this much about your film and to see it play out in your head in this much detail. And in the first draft, go ahead and put in all that information if you must. Get it out of your system if you must. But when you revise your script, you need to eliminate all of these elements, because they are not your job. Not only will including them insult the would-be director and actor who will eventually change everything you wrote anyway, having these indications in a spec scripts marks you as an amateur.

Read the rest of the post here.