Each multiplex has screens allocated to each studio. The screens need filling. Studios have to create product to fill their screen, and the amount of good product is limited.
Orson WellesAs a producer, sitting on the other side of the desk, I have never once had an agent go out on a limb for his client and fight for him. I've never heard one say, 'No, just a minute! This is the actor you should use.' They will always say, 'You don't like him? I've got somebody else.' They're totally spineless.
Orson Welles