The credits! The chance for everyone who contributed to a production to have their moment in the limelight! Some people pay attention to them, some people ignore them completely.
When it comes to the big stars, however, there seems to be strange math
at work. The actors have stipulations, the studio has stipulations, the agents have stipulations, the stipulations have stipulations... trying to make sense of the order of names in the main cast can really bust your noodle.
Tropes that have to do with credits: