Actors must act like investigators to identify the true meaning of their dialogue so that they can play the character's subtextual intention, rather than just recite the lines
Know who you're working with. ...
Include your actors in your process. ...
Create a calm and respectful environment. ...
Be prepared and be flexible. ...
Give your actors space to work. ...
Don't make actors wait. ...
Be direct. ...
Avoid results-oriented direction.