All I know is that I operate by going out to each of them and trying to learn the territory in which they operate. My language to each of them has to suit their brain.
Actors get pigeonholed very quickly, particularly movie actors. In the theater, one is more used to casting people against type and trusting that their talent and skill will get them through.
For me, certain shots or scenes are keys in the movie.
Source: brainyquote.com