How to distinguish the names of stars, actors and players?

Stars are not limited to the entertainment circle, but also sports stars. It seems that you are talking about the stars in the entertainment circle.

Only a few actors can be called stars, have successful works, are loved by the audience, have a large number of fans and have great influence. As long as you join the entertainment circle and engage in performing arts, you can be called an actor. This is a common and neutral term.

A performer is a name for an opera singer, which basically refers to an actor on the stage.