Movie actors tend to act with each other in groups, forming clusters.
For example, Hollywood mainstream actors rarely act with Hollywood porn actors or Hollywood TV actors. Chinese actors rarely act with Filipino actors. And so on.
But some clusters are closer to each other. Hollywood and British actors, for example. Or Turkish and Iranian actors. Or Chinese and South Korean actors.
This video is an exploration of how close the top movie clusters in the world are.
https://www.s-anand.net/blog/how-isol...