You can have good writing, but a great actor will make it feel and sound like great writing. You can have great writing, and mediocre actors will make it feel mediocre. Without the actors, you have nothing.
“I want to upset people, I want to make people think, I want to keep people interested.”
“If you blithely do what you do and you're good at what you do, and try to be a decent person, you can succeed.”