Yes, people also take actors as a sign of the quality of the film, or at least they used to, before Marvel. Hence films with big names attached get more money,

Yes, people also take actors as a sign of the quality of the film, or at least they used to, before Marvel. Hence films with big names attached get more money, etc. Still the idea that actors are easy to replace is preposterous to anyone who's ever worked with actors. They are preposterously HARD to replace, in theatre and film. A good actor is worth their weight in gold. Very very few people are good actors. A good actor is a good comedian, a master at controlling his body, and a master at controlling his voice, towards a specifically intended goal. They can make you laugh, cry, sigh, or feel just about anything. You just look at Paul Giamatti or Willem Dafoe or Denzel Washington. Those people are not replaceable, and their work is just as good and just as culturally important as a Picasso or a Monet. A hundred years from now people will know the name of actors, because that was the dominant mode of entertainment of our age.