Overall feel. How it makes you feel.
Actor performance is also crucial. Some directors are much better than others at making performances seem real. If the actor performance is bad, it's easy to tune out of the emotion and the impact that the story is supposed to be having on the audience.
Spielberg, Milos Forman, Sidney Lumet, Scorsese, David O Russell, PTA, Peter Weir. These guys are phenomenal at getting raw human emotions from their actors. Not in some over the top way. The actors in their films behave like real people.
Actor performance is also crucial. Some directors are much better than others at making performances seem real. If the actor performance is bad, it's easy to tune out of the emotion and the impact that the story is supposed to be having on the audience.
Spielberg, Milos Forman, Sidney Lumet, Scorsese, David O Russell, PTA, Peter Weir. These guys are phenomenal at getting raw human emotions from their actors. Not in some over the top way. The actors in their films behave like real people.