Often, the most favorite and memorable scenes of movies are those that have arisen spontaneously. We suggest you familiarize yourself with a few cases in which the actors anyway "disobeyed" the director and floated on pure improvisation.
"Fight club" - Brad Pitt skips a beat.
Remember how Tyler Darden pleaded shy clerk hit him? Few people know that the cry in the scene is not the result of acting, but a real cry of pain - the hero of Brad Pitt had to dodge a blow to the shoulder, but in fact are not poorly received in the ear.